Home / 9,000,591.89-12,420,849.42-4,870,622.61

Finding the Fourth Proportional to 9,000,591.89, 12,420,849.42 and 4,870,622.61

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Solution

The fourth proportional to 9,000,591.89, 12,420,849.42 and 4,870,622.61 is: 6,721,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,591.89 : 12,420,849.42 = 4,870,622.61 : x
  2. Step 2: Convert to fraction form
    9,000,591.89/12,420,849.42 = 4,870,622.61/x
  3. Step 3: Cross multiply
    9,000,591.89x = 12,420,849.42 × 4,870,622.61
  4. Step 4: Simplify right side
    9,000,591.89x = 60,497,270,020,457.39
  5. Step 5: Solve for x
    x = 60,497,270,020,457.39/9,000,591.89
  6. Step 6: Final answer
    x = 6,721,476.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.