Home / 15,098,866.56-20,838,490.68-8,905,664.88

Finding the Fourth Proportional to 15,098,866.56, 20,838,490.68 and 8,905,664.88

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Solution

The fourth proportional to 15,098,866.56, 20,838,490.68 and 8,905,664.88 is: 12,291,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098,866.56 : 20,838,490.68 = 8,905,664.88 : x
  2. Step 2: Convert to fraction form
    15,098,866.56/20,838,490.68 = 8,905,664.88/x
  3. Step 3: Cross multiply
    15,098,866.56x = 20,838,490.68 × 8,905,664.88
  4. Step 4: Simplify right side
    15,098,866.56x = 185,580,614,601,083.34
  5. Step 5: Solve for x
    x = 185,580,614,601,083.34/15,098,866.56
  6. Step 6: Final answer
    x = 12,291,029.52

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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.