Home / 9,078,561.42-12,528,037.78-4,948,501.69

Finding the Fourth Proportional to 9,078,561.42, 12,528,037.78 and 4,948,501.69

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Solution

The fourth proportional to 9,078,561.42, 12,528,037.78 and 4,948,501.69 is: 6,828,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,561.42 : 12,528,037.78 = 4,948,501.69 : x
  2. Step 2: Convert to fraction form
    9,078,561.42/12,528,037.78 = 4,948,501.69/x
  3. Step 3: Cross multiply
    9,078,561.42x = 12,528,037.78 × 4,948,501.69
  4. Step 4: Simplify right side
    9,078,561.42x = 61,995,016,126,713.85
  5. Step 5: Solve for x
    x = 61,995,016,126,713.85/9,078,561.42
  6. Step 6: Final answer
    x = 6,828,726.85

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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.