Home / 13,172,701.71-19,770,402.77-9,132,027.07

Finding the Fourth Proportional to 13,172,701.71, 19,770,402.77 and 9,132,027.07

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Solution

The fourth proportional to 13,172,701.71, 19,770,402.77 and 9,132,027.07 is: 13,705,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,701.71 : 19,770,402.77 = 9,132,027.07 : x
  2. Step 2: Convert to fraction form
    13,172,701.71/19,770,402.77 = 9,132,027.07/x
  3. Step 3: Cross multiply
    13,172,701.71x = 19,770,402.77 × 9,132,027.07
  4. Step 4: Simplify right side
    13,172,701.71x = 180,543,853,280,443
  5. Step 5: Solve for x
    x = 180,543,853,280,443/13,172,701.71
  6. Step 6: Final answer
    x = 13,705,909.18

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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.