Home / 9,678,478.66-14,527,806.72-4,290,912.61

Finding the Fourth Proportional to 9,678,478.66, 14,527,806.72 and 4,290,912.61

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Solution

The fourth proportional to 9,678,478.66, 14,527,806.72 and 4,290,912.61 is: 6,440,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,478.66 : 14,527,806.72 = 4,290,912.61 : x
  2. Step 2: Convert to fraction form
    9,678,478.66/14,527,806.72 = 4,290,912.61/x
  3. Step 3: Cross multiply
    9,678,478.66x = 14,527,806.72 × 4,290,912.61
  4. Step 4: Simplify right side
    9,678,478.66x = 62,337,549,050,490.75
  5. Step 5: Solve for x
    x = 62,337,549,050,490.75/9,678,478.66
  6. Step 6: Final answer
    x = 6,440,841.71

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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.