Home / 13,684,909.17-18,884,406.28-7,489,943.26

Finding the Fourth Proportional to 13,684,909.17, 18,884,406.28 and 7,489,943.26

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Solution

The fourth proportional to 13,684,909.17, 18,884,406.28 and 7,489,943.26 is: 10,335,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,909.17 : 18,884,406.28 = 7,489,943.26 : x
  2. Step 2: Convert to fraction form
    13,684,909.17/18,884,406.28 = 7,489,943.26/x
  3. Step 3: Cross multiply
    13,684,909.17x = 18,884,406.28 × 7,489,943.26
  4. Step 4: Simplify right side
    13,684,909.17x = 141,443,131,547,746.19
  5. Step 5: Solve for x
    x = 141,443,131,547,746.19/13,684,909.17
  6. Step 6: Final answer
    x = 10,335,701.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.