Home / 15,471,638.20-23,160,218.10-12,070,415.80

Finding the Fourth Proportional to 15,471,638.20, 23,160,218.10 and 12,070,415.80

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Solution

The fourth proportional to 15,471,638.20, 23,160,218.10 and 12,070,415.80 is: 18,068,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,638.20 : 23,160,218.10 = 12,070,415.80 : x
  2. Step 2: Convert to fraction form
    15,471,638.20/23,160,218.10 = 12,070,415.80/x
  3. Step 3: Cross multiply
    15,471,638.20x = 23,160,218.10 × 12,070,415.80
  4. Step 4: Simplify right side
    15,471,638.20x = 279,553,462,485,686
  5. Step 5: Solve for x
    x = 279,553,462,485,686/15,471,638.20
  6. Step 6: Final answer
    x = 18,068,769.37

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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.