Home / 15,513,573.60-23,270,360.40-13,122,089.10

Finding the Fourth Proportional to 15,513,573.60, 23,270,360.40 and 13,122,089.10

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Solution

The fourth proportional to 15,513,573.60, 23,270,360.40 and 13,122,089.10 is: 19,683,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,573.60 : 23,270,360.40 = 13,122,089.10 : x
  2. Step 2: Convert to fraction form
    15,513,573.60/23,270,360.40 = 13,122,089.10/x
  3. Step 3: Cross multiply
    15,513,573.60x = 23,270,360.40 × 13,122,089.10
  4. Step 4: Simplify right side
    15,513,573.60x = 305,355,742,557,911.62
  5. Step 5: Solve for x
    x = 305,355,742,557,911.62/15,513,573.60
  6. Step 6: Final answer
    x = 19,683,133.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.