Home / 26,420,423.60-39,593,310.60-19,543,329.20

Finding the Fourth Proportional to 26,420,423.60, 39,593,310.60 and 19,543,329.20

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Solution

The fourth proportional to 26,420,423.60, 39,593,310.60 and 19,543,329.20 is: 29,287,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420,423.60 : 39,593,310.60 = 19,543,329.20 : x
  2. Step 2: Convert to fraction form
    26,420,423.60/39,593,310.60 = 19,543,329.20/x
  3. Step 3: Cross multiply
    26,420,423.60x = 39,593,310.60 × 19,543,329.20
  4. Step 4: Simplify right side
    26,420,423.60x = 773,785,103,173,649.50
  5. Step 5: Solve for x
    x = 773,785,103,173,649.50/26,420,423.60
  6. Step 6: Final answer
    x = 29,287,384.45

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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.