Home / 18,146,534.80-27,219,802.20-12,398,515.60

Finding the Fourth Proportional to 18,146,534.80, 27,219,802.20 and 12,398,515.60

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Solution

The fourth proportional to 18,146,534.80, 27,219,802.20 and 12,398,515.60 is: 18,597,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,534.80 : 27,219,802.20 = 12,398,515.60 : x
  2. Step 2: Convert to fraction form
    18,146,534.80/27,219,802.20 = 12,398,515.60/x
  3. Step 3: Cross multiply
    18,146,534.80x = 27,219,802.20 × 12,398,515.60
  4. Step 4: Simplify right side
    18,146,534.80x = 337,485,142,205,614.31
  5. Step 5: Solve for x
    x = 337,485,142,205,614.31/18,146,534.80
  6. Step 6: Final answer
    x = 18,597,773.40

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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.