Home / 18,145,877.40-27,218,816.10-16,466,261.40

Finding the Fourth Proportional to 18,145,877.40, 27,218,816.10 and 16,466,261.40

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Solution

The fourth proportional to 18,145,877.40, 27,218,816.10 and 16,466,261.40 is: 24,699,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,877.40 : 27,218,816.10 = 16,466,261.40 : x
  2. Step 2: Convert to fraction form
    18,145,877.40/27,218,816.10 = 16,466,261.40/x
  3. Step 3: Cross multiply
    18,145,877.40x = 27,218,816.10 × 16,466,261.40
  4. Step 4: Simplify right side
    18,145,877.40x = 448,192,140,901,128.56
  5. Step 5: Solve for x
    x = 448,192,140,901,128.56/18,145,877.40
  6. Step 6: Final answer
    x = 24,699,392.10

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Similar ratio
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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.