Home / 18,144,701.40-27,217,052.10-12,475,997.40

Finding the Fourth Proportional to 18,144,701.40, 27,217,052.10 and 12,475,997.40

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Solution

The fourth proportional to 18,144,701.40, 27,217,052.10 and 12,475,997.40 is: 18,713,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,701.40 : 27,217,052.10 = 12,475,997.40 : x
  2. Step 2: Convert to fraction form
    18,144,701.40/27,217,052.10 = 12,475,997.40/x
  3. Step 3: Cross multiply
    18,144,701.40x = 27,217,052.10 × 12,475,997.40
  4. Step 4: Simplify right side
    18,144,701.40x = 339,559,871,235,264.56
  5. Step 5: Solve for x
    x = 339,559,871,235,264.56/18,144,701.40
  6. Step 6: Final answer
    x = 18,713,996.10

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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.