Home / 22,956,354.40-31,681,201.28-12,643,074.88

Finding the Fourth Proportional to 22,956,354.40, 31,681,201.28 and 12,643,074.88

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Solution

The fourth proportional to 22,956,354.40, 31,681,201.28 and 12,643,074.88 is: 17,448,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956,354.40 : 31,681,201.28 = 12,643,074.88 : x
  2. Step 2: Convert to fraction form
    22,956,354.40/31,681,201.28 = 12,643,074.88/x
  3. Step 3: Cross multiply
    22,956,354.40x = 31,681,201.28 × 12,643,074.88
  4. Step 4: Simplify right side
    22,956,354.40x = 400,547,800,071,391.88
  5. Step 5: Solve for x
    x = 400,547,800,071,391.88/22,956,354.40
  6. Step 6: Final answer
    x = 17,448,232.11

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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.