Home / 18,145,873.40-27,218,810.10-6,178,609.40

Finding the Fourth Proportional to 18,145,873.40, 27,218,810.10 and 6,178,609.40

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Solution

The fourth proportional to 18,145,873.40, 27,218,810.10 and 6,178,609.40 is: 9,267,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,873.40 : 27,218,810.10 = 6,178,609.40 : x
  2. Step 2: Convert to fraction form
    18,145,873.40/27,218,810.10 = 6,178,609.40/x
  3. Step 3: Cross multiply
    18,145,873.40x = 27,218,810.10 × 6,178,609.40
  4. Step 4: Simplify right side
    18,145,873.40x = 168,174,395,940,674.97
  5. Step 5: Solve for x
    x = 168,174,395,940,674.97/18,145,873.40
  6. Step 6: Final answer
    x = 9,267,914.10

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Double scale
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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.