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Finding the Fourth Proportional to 14,761,840.70, 22,142,761.05 and 6,799,216.70

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Solution

The fourth proportional to 14,761,840.70, 22,142,761.05 and 6,799,216.70 is: 10,198,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,840.70 : 22,142,761.05 = 6,799,216.70 : x
  2. Step 2: Convert to fraction form
    14,761,840.70/22,142,761.05 = 6,799,216.70/x
  3. Step 3: Cross multiply
    14,761,840.70x = 22,142,761.05 × 6,799,216.70
  4. Step 4: Simplify right side
    14,761,840.70x = 150,553,430,715,269.53
  5. Step 5: Solve for x
    x = 150,553,430,715,269.53/14,761,840.70
  6. Step 6: Final answer
    x = 10,198,825.05

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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.