Home / 13,291,766.40-19,936,612.80-5,203,171.20

Finding the Fourth Proportional to 13,291,766.40, 19,936,612.80 and 5,203,171.20

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Solution

The fourth proportional to 13,291,766.40, 19,936,612.80 and 5,203,171.20 is: 7,804,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,766.40 : 19,936,612.80 = 5,203,171.20 : x
  2. Step 2: Convert to fraction form
    13,291,766.40/19,936,612.80 = 5,203,171.20/x
  3. Step 3: Cross multiply
    13,291,766.40x = 19,936,612.80 × 5,203,171.20
  4. Step 4: Simplify right side
    13,291,766.40x = 103,733,609,546,511.38
  5. Step 5: Solve for x
    x = 103,733,609,546,511.38/13,291,766.40
  6. Step 6: Final answer
    x = 7,804,350.94

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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.