Home / 15,482,774.43-21,366,776.70-8,513,983.71

Finding the Fourth Proportional to 15,482,774.43, 21,366,776.70 and 8,513,983.71

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Solution

The fourth proportional to 15,482,774.43, 21,366,776.70 and 8,513,983.71 is: 11,749,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,774.43 : 21,366,776.70 = 8,513,983.71 : x
  2. Step 2: Convert to fraction form
    15,482,774.43/21,366,776.70 = 8,513,983.71/x
  3. Step 3: Cross multiply
    15,482,774.43x = 21,366,776.70 × 8,513,983.71
  4. Step 4: Simplify right side
    15,482,774.43x = 181,916,388,759,007.56
  5. Step 5: Solve for x
    x = 181,916,388,759,007.56/15,482,774.43
  6. Step 6: Final answer
    x = 11,749,598.86

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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.