Home / 15,381,243.90-21,226,079.16-8,852,490

Finding the Fourth Proportional to 15,381,243.90, 21,226,079.16 and 8,852,490

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Solution

The fourth proportional to 15,381,243.90, 21,226,079.16 and 8,852,490 is: 12,216,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381,243.90 : 21,226,079.16 = 8,852,490 : x
  2. Step 2: Convert to fraction form
    15,381,243.90/21,226,079.16 = 8,852,490/x
  3. Step 3: Cross multiply
    15,381,243.90x = 21,226,079.16 × 8,852,490
  4. Step 4: Simplify right side
    15,381,243.90x = 187,903,653,503,108.41
  5. Step 5: Solve for x
    x = 187,903,653,503,108.41/15,381,243.90
  6. Step 6: Final answer
    x = 12,216,414.66

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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.