Home / 15,381,246.90-21,226,083.30-8,852,493

Finding the Fourth Proportional to 15,381,246.90, 21,226,083.30 and 8,852,493

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Solution

The fourth proportional to 15,381,246.90, 21,226,083.30 and 8,852,493 is: 12,216,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381,246.90 : 21,226,083.30 = 8,852,493 : x
  2. Step 2: Convert to fraction form
    15,381,246.90/21,226,083.30 = 8,852,493/x
  3. Step 3: Cross multiply
    15,381,246.90x = 21,226,083.30 × 8,852,493
  4. Step 4: Simplify right side
    15,381,246.90x = 187,903,753,830,666.91
  5. Step 5: Solve for x
    x = 187,903,753,830,666.91/15,381,246.90
  6. Step 6: Final answer
    x = 12,216,418.80

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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.