Home / 10,981,750.90-16,464,946.35-6,491,715.70

Finding the Fourth Proportional to 10,981,750.90, 16,464,946.35 and 6,491,715.70

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Solution

The fourth proportional to 10,981,750.90, 16,464,946.35 and 6,491,715.70 is: 9,733,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,750.90 : 16,464,946.35 = 6,491,715.70 : x
  2. Step 2: Convert to fraction form
    10,981,750.90/16,464,946.35 = 6,491,715.70/x
  3. Step 3: Cross multiply
    10,981,750.90x = 16,464,946.35 × 6,491,715.70
  4. Step 4: Simplify right side
    10,981,750.90x = 106,885,750,719,952.70
  5. Step 5: Solve for x
    x = 106,885,750,719,952.70/10,981,750.90
  6. Step 6: Final answer
    x = 9,733,033.62

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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.