Home / 18,145,439.40-27,218,159.10-6,178,175.40

Finding the Fourth Proportional to 18,145,439.40, 27,218,159.10 and 6,178,175.40

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Solution

The fourth proportional to 18,145,439.40, 27,218,159.10 and 6,178,175.40 is: 9,267,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,439.40 : 27,218,159.10 = 6,178,175.40 : x
  2. Step 2: Convert to fraction form
    18,145,439.40/27,218,159.10 = 6,178,175.40/x
  3. Step 3: Cross multiply
    18,145,439.40x = 27,218,159.10 × 6,178,175.40
  4. Step 4: Simplify right side
    18,145,439.40x = 168,158,560,984,906.16
  5. Step 5: Solve for x
    x = 168,158,560,984,906.16/18,145,439.40
  6. Step 6: Final answer
    x = 9,267,263.10

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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.