Home / 20,853,721.70-31,280,582.55-14,033,562.20

Finding the Fourth Proportional to 20,853,721.70, 31,280,582.55 and 14,033,562.20

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Solution

The fourth proportional to 20,853,721.70, 31,280,582.55 and 14,033,562.20 is: 21,050,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,721.70 : 31,280,582.55 = 14,033,562.20 : x
  2. Step 2: Convert to fraction form
    20,853,721.70/31,280,582.55 = 14,033,562.20/x
  3. Step 3: Cross multiply
    20,853,721.70x = 31,280,582.55 × 14,033,562.20
  4. Step 4: Simplify right side
    20,853,721.70x = 438,978,000,867,659.62
  5. Step 5: Solve for x
    x = 438,978,000,867,659.62/20,853,721.70
  6. Step 6: Final answer
    x = 21,050,343.30

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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.