Home / 10,223,869.76-14,108,979.89-5,577,759.12

Finding the Fourth Proportional to 10,223,869.76, 14,108,979.89 and 5,577,759.12

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Solution

The fourth proportional to 10,223,869.76, 14,108,979.89 and 5,577,759.12 is: 7,697,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,869.76 : 14,108,979.89 = 5,577,759.12 : x
  2. Step 2: Convert to fraction form
    10,223,869.76/14,108,979.89 = 5,577,759.12/x
  3. Step 3: Cross multiply
    10,223,869.76x = 14,108,979.89 × 5,577,759.12
  4. Step 4: Simplify right side
    10,223,869.76x = 78,696,491,290,822.28
  5. Step 5: Solve for x
    x = 78,696,491,290,822.28/10,223,869.76
  6. Step 6: Final answer
    x = 7,697,329.20

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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.