Home / 28,392,332.20-42,588,498.30-20,834,060.20

Finding the Fourth Proportional to 28,392,332.20, 42,588,498.30 and 20,834,060.20

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Solution

The fourth proportional to 28,392,332.20, 42,588,498.30 and 20,834,060.20 is: 31,251,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,332.20 : 42,588,498.30 = 20,834,060.20 : x
  2. Step 2: Convert to fraction form
    28,392,332.20/42,588,498.30 = 20,834,060.20/x
  3. Step 3: Cross multiply
    28,392,332.20x = 42,588,498.30 × 20,834,060.20
  4. Step 4: Simplify right side
    28,392,332.20x = 887,291,337,409,797.62
  5. Step 5: Solve for x
    x = 887,291,337,409,797.62/28,392,332.20
  6. Step 6: Final answer
    x = 31,251,090.30

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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.