Home / 20,822,897.70-31,234,346.55-14,764,470.30

Finding the Fourth Proportional to 20,822,897.70, 31,234,346.55 and 14,764,470.30

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Solution

The fourth proportional to 20,822,897.70, 31,234,346.55 and 14,764,470.30 is: 22,146,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822,897.70 : 31,234,346.55 = 14,764,470.30 : x
  2. Step 2: Convert to fraction form
    20,822,897.70/31,234,346.55 = 14,764,470.30/x
  3. Step 3: Cross multiply
    20,822,897.70x = 31,234,346.55 × 14,764,470.30
  4. Step 4: Simplify right side
    20,822,897.70x = 461,158,581,977,382.50
  5. Step 5: Solve for x
    x = 461,158,581,977,382.50/20,822,897.70
  6. Step 6: Final answer
    x = 22,146,705.45

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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.