Home / 18,732,003.40-28,098,005.10-12,013,539.40

Finding the Fourth Proportional to 18,732,003.40, 28,098,005.10 and 12,013,539.40

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Solution

The fourth proportional to 18,732,003.40, 28,098,005.10 and 12,013,539.40 is: 18,020,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,003.40 : 28,098,005.10 = 12,013,539.40 : x
  2. Step 2: Convert to fraction form
    18,732,003.40/28,098,005.10 = 12,013,539.40/x
  3. Step 3: Cross multiply
    18,732,003.40x = 28,098,005.10 × 12,013,539.40
  4. Step 4: Simplify right side
    18,732,003.40x = 337,556,491,330,250.94
  5. Step 5: Solve for x
    x = 337,556,491,330,250.94/18,732,003.40
  6. Step 6: Final answer
    x = 18,020,309.10

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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.