Home / 19,184,462.40-28,739,368.80-11,588,865.60

Finding the Fourth Proportional to 19,184,462.40, 28,739,368.80 and 11,588,865.60

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Solution

The fourth proportional to 19,184,462.40, 28,739,368.80 and 11,588,865.60 is: 17,360,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184,462.40 : 28,739,368.80 = 11,588,865.60 : x
  2. Step 2: Convert to fraction form
    19,184,462.40/28,739,368.80 = 11,588,865.60/x
  3. Step 3: Cross multiply
    19,184,462.40x = 28,739,368.80 × 11,588,865.60
  4. Step 4: Simplify right side
    19,184,462.40x = 333,056,682,452,033.25
  5. Step 5: Solve for x
    x = 333,056,682,452,033.25/19,184,462.40
  6. Step 6: Final answer
    x = 17,360,751.40

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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.