Home / 48,618,011.57-67,085,407.91-27,987,471.95

Finding the Fourth Proportional to 48,618,011.57, 67,085,407.91 and 27,987,471.95

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Solution

The fourth proportional to 48,618,011.57, 67,085,407.91 and 27,987,471.95 is: 38,618,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618,011.57 : 67,085,407.91 = 27,987,471.95 : x
  2. Step 2: Convert to fraction form
    48,618,011.57/67,085,407.91 = 27,987,471.95/x
  3. Step 3: Cross multiply
    48,618,011.57x = 67,085,407.91 × 27,987,471.95
  4. Step 4: Simplify right side
    48,618,011.57x = 1,877,550,971,869,974.75
  5. Step 5: Solve for x
    x = 1,877,550,971,869,974.75/48,618,011.57
  6. Step 6: Final answer
    x = 38,618,423.74

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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.