Home / 9,178,175.80-12,668,552.58-6,122,382.76

Finding the Fourth Proportional to 9,178,175.80, 12,668,552.58 and 6,122,382.76

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Solution

The fourth proportional to 9,178,175.80, 12,668,552.58 and 6,122,382.76 is: 8,450,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,175.80 : 12,668,552.58 = 6,122,382.76 : x
  2. Step 2: Convert to fraction form
    9,178,175.80/12,668,552.58 = 6,122,382.76/x
  3. Step 3: Cross multiply
    9,178,175.80x = 12,668,552.58 × 6,122,382.76
  4. Step 4: Simplify right side
    9,178,175.80x = 77,561,727,909,945.52
  5. Step 5: Solve for x
    x = 77,561,727,909,945.52/9,178,175.80
  6. Step 6: Final answer
    x = 8,450,669.24

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Double scale
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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.