Home / 12,143,367.60-18,215,051.40-4,572,031.92

Finding the Fourth Proportional to 12,143,367.60, 18,215,051.40 and 4,572,031.92

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Solution

The fourth proportional to 12,143,367.60, 18,215,051.40 and 4,572,031.92 is: 6,858,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,367.60 : 18,215,051.40 = 4,572,031.92 : x
  2. Step 2: Convert to fraction form
    12,143,367.60/18,215,051.40 = 4,572,031.92/x
  3. Step 3: Cross multiply
    12,143,367.60x = 18,215,051.40 × 4,572,031.92
  4. Step 4: Simplify right side
    12,143,367.60x = 83,279,796,425,240.69
  5. Step 5: Solve for x
    x = 83,279,796,425,240.69/12,143,367.60
  6. Step 6: Final answer
    x = 6,858,047.88

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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.