Home / 20,139,023.90-30,208,535.85-5,762,560.70

Finding the Fourth Proportional to 20,139,023.90, 30,208,535.85 and 5,762,560.70

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Solution

The fourth proportional to 20,139,023.90, 30,208,535.85 and 5,762,560.70 is: 8,643,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,023.90 : 30,208,535.85 = 5,762,560.70 : x
  2. Step 2: Convert to fraction form
    20,139,023.90/30,208,535.85 = 5,762,560.70/x
  3. Step 3: Cross multiply
    20,139,023.90x = 30,208,535.85 × 5,762,560.70
  4. Step 4: Simplify right side
    20,139,023.90x = 174,078,521,493,751.09
  5. Step 5: Solve for x
    x = 174,078,521,493,751.09/20,139,023.90
  6. Step 6: Final answer
    x = 8,643,841.05

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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.