Home / 9,074,931.40-13,612,397.10-8,177,386.60

Finding the Fourth Proportional to 9,074,931.40, 13,612,397.10 and 8,177,386.60

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Solution

The fourth proportional to 9,074,931.40, 13,612,397.10 and 8,177,386.60 is: 12,266,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074,931.40 : 13,612,397.10 = 8,177,386.60 : x
  2. Step 2: Convert to fraction form
    9,074,931.40/13,612,397.10 = 8,177,386.60/x
  3. Step 3: Cross multiply
    9,074,931.40x = 13,612,397.10 × 8,177,386.60
  4. Step 4: Simplify right side
    9,074,931.40x = 111,313,833,639,418.86
  5. Step 5: Solve for x
    x = 111,313,833,639,418.86/9,074,931.40
  6. Step 6: Final answer
    x = 12,266,079.90

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Similar ratio
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1.5x scale

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.