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Finding the Fourth Proportional to 10,598,978.70, 15,898,468.05 and 3,024,960.30

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Solution

The fourth proportional to 10,598,978.70, 15,898,468.05 and 3,024,960.30 is: 4,537,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,978.70 : 15,898,468.05 = 3,024,960.30 : x
  2. Step 2: Convert to fraction form
    10,598,978.70/15,898,468.05 = 3,024,960.30/x
  3. Step 3: Cross multiply
    10,598,978.70x = 15,898,468.05 × 3,024,960.30
  4. Step 4: Simplify right side
    10,598,978.70x = 48,092,234,682,068.41
  5. Step 5: Solve for x
    x = 48,092,234,682,068.41/10,598,978.70
  6. Step 6: Final answer
    x = 4,537,440.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.