Home / 15,490,895.38-21,377,317.47-8,521,422.91

Finding the Fourth Proportional to 15,490,895.38, 21,377,317.47 and 8,521,422.91

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Solution

The fourth proportional to 15,490,895.38, 21,377,317.47 and 8,521,422.91 is: 11,759,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,895.38 : 21,377,317.47 = 8,521,422.91 : x
  2. Step 2: Convert to fraction form
    15,490,895.38/21,377,317.47 = 8,521,422.91/x
  3. Step 3: Cross multiply
    15,490,895.38x = 21,377,317.47 × 8,521,422.91
  4. Step 4: Simplify right side
    15,490,895.38x = 182,165,162,747,150.84
  5. Step 5: Solve for x
    x = 182,165,162,747,150.84/15,490,895.38
  6. Step 6: Final answer
    x = 11,759,498.62

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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.