Home / 28,527,728.10-42,812,023.14-12,144,498.99

Finding the Fourth Proportional to 28,527,728.10, 42,812,023.14 and 12,144,498.99

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Solution

The fourth proportional to 28,527,728.10, 42,812,023.14 and 12,144,498.99 is: 18,225,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527,728.10 : 42,812,023.14 = 12,144,498.99 : x
  2. Step 2: Convert to fraction form
    28,527,728.10/42,812,023.14 = 12,144,498.99/x
  3. Step 3: Cross multiply
    28,527,728.10x = 42,812,023.14 × 12,144,498.99
  4. Step 4: Simplify right side
    28,527,728.10x = 519,930,571,783,586.62
  5. Step 5: Solve for x
    x = 519,930,571,783,586.62/28,527,728.10
  6. Step 6: Final answer
    x = 18,225,446.13

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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.