Home / 18,186,723.40-27,280,085.10-7,398,471.10

Finding the Fourth Proportional to 18,186,723.40, 27,280,085.10 and 7,398,471.10

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Solution

The fourth proportional to 18,186,723.40, 27,280,085.10 and 7,398,471.10 is: 11,097,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186,723.40 : 27,280,085.10 = 7,398,471.10 : x
  2. Step 2: Convert to fraction form
    18,186,723.40/27,280,085.10 = 7,398,471.10/x
  3. Step 3: Cross multiply
    18,186,723.40x = 27,280,085.10 × 7,398,471.10
  4. Step 4: Simplify right side
    18,186,723.40x = 201,830,921,217,890.62
  5. Step 5: Solve for x
    x = 201,830,921,217,890.62/18,186,723.40
  6. Step 6: Final answer
    x = 11,097,706.65

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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.