Home / 18,145,965.80-27,218,948.70-9,076,039.40

Finding the Fourth Proportional to 18,145,965.80, 27,218,948.70 and 9,076,039.40

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Solution

The fourth proportional to 18,145,965.80, 27,218,948.70 and 9,076,039.40 is: 13,614,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,965.80 : 27,218,948.70 = 9,076,039.40 : x
  2. Step 2: Convert to fraction form
    18,145,965.80/27,218,948.70 = 9,076,039.40/x
  3. Step 3: Cross multiply
    18,145,965.80x = 27,218,948.70 × 9,076,039.40
  4. Step 4: Simplify right side
    18,145,965.80x = 247,040,250,827,778.78
  5. Step 5: Solve for x
    x = 247,040,250,827,778.78/18,145,965.80
  6. Step 6: Final answer
    x = 13,614,059.10

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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.