Home / 6,981,885.28-10,404,352.76-6,923,098.72

Finding the Fourth Proportional to 6,981,885.28, 10,404,352.76 and 6,923,098.72

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Solution

The fourth proportional to 6,981,885.28, 10,404,352.76 and 6,923,098.72 is: 10,316,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,885.28 : 10,404,352.76 = 6,923,098.72 : x
  2. Step 2: Convert to fraction form
    6,981,885.28/10,404,352.76 = 6,923,098.72/x
  3. Step 3: Cross multiply
    6,981,885.28x = 10,404,352.76 × 6,923,098.72
  4. Step 4: Simplify right side
    6,981,885.28x = 72,030,361,275,184.47
  5. Step 5: Solve for x
    x = 72,030,361,275,184.47/6,981,885.28
  6. Step 6: Final answer
    x = 10,316,749.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.