Home / 18,659,042.30-28,001,005.05-10,572,002.30

Finding the Fourth Proportional to 18,659,042.30, 28,001,005.05 and 10,572,002.30

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Solution

The fourth proportional to 18,659,042.30, 28,001,005.05 and 10,572,002.30 is: 15,865,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659,042.30 : 28,001,005.05 = 10,572,002.30 : x
  2. Step 2: Convert to fraction form
    18,659,042.30/28,001,005.05 = 10,572,002.30/x
  3. Step 3: Cross multiply
    18,659,042.30x = 28,001,005.05 × 10,572,002.30
  4. Step 4: Simplify right side
    18,659,042.30x = 296,026,689,790,911.62
  5. Step 5: Solve for x
    x = 296,026,689,790,911.62/18,659,042.30
  6. Step 6: Final answer
    x = 15,865,052.72

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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.