Home / 18,732,005.40-28,098,008.10-12,013,541.40

Finding the Fourth Proportional to 18,732,005.40, 28,098,008.10 and 12,013,541.40

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Solution

The fourth proportional to 18,732,005.40, 28,098,008.10 and 12,013,541.40 is: 18,020,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,005.40 : 28,098,008.10 = 12,013,541.40 : x
  2. Step 2: Convert to fraction form
    18,732,005.40/28,098,008.10 = 12,013,541.40/x
  3. Step 3: Cross multiply
    18,732,005.40x = 28,098,008.10 × 12,013,541.40
  4. Step 4: Simplify right side
    18,732,005.40x = 337,556,583,566,885.38
  5. Step 5: Solve for x
    x = 337,556,583,566,885.38/18,732,005.40
  6. Step 6: Final answer
    x = 18,020,312.10

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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.