Home / 18,732,009.40-28,098,014.10-12,013,545.40

Finding the Fourth Proportional to 18,732,009.40, 28,098,014.10 and 12,013,545.40

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Solution

The fourth proportional to 18,732,009.40, 28,098,014.10 and 12,013,545.40 is: 18,020,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,009.40 : 28,098,014.10 = 12,013,545.40 : x
  2. Step 2: Convert to fraction form
    18,732,009.40/28,098,014.10 = 12,013,545.40/x
  3. Step 3: Cross multiply
    18,732,009.40x = 28,098,014.10 × 12,013,545.40
  4. Step 4: Simplify right side
    18,732,009.40x = 337,556,768,040,190.19
  5. Step 5: Solve for x
    x = 337,556,768,040,190.19/18,732,009.40
  6. Step 6: Final answer
    x = 18,020,318.10

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1.5x scale

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.