Home / 15,970,779,513.12-21,924,264,411.81-13,708,792,035.12

Finding the Fourth Proportional to 15,970,779,513.12, 21,924,264,411.81 and 13,708,792,035.12

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Solution

The fourth proportional to 15,970,779,513.12, 21,924,264,411.81 and 13,708,792,035.12 is: 18,819,067,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970,779,513.12 : 21,924,264,411.81 = 13,708,792,035.12 : x
  2. Step 2: Convert to fraction form
    15,970,779,513.12/21,924,264,411.81 = 13,708,792,035.12/x
  3. Step 3: Cross multiply
    15,970,779,513.12x = 21,924,264,411.81 × 13,708,792,035.12
  4. Step 4: Simplify right side
    15,970,779,513.12x = 300,555,181,344,485,867,520
  5. Step 5: Solve for x
    x = 300,555,181,344,485,867,520/15,970,779,513.12
  6. Step 6: Final answer
    x = 18,819,067,729.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.