Home / 18,104,150.70-27,156,226.05-15,765,810.30

Finding the Fourth Proportional to 18,104,150.70, 27,156,226.05 and 15,765,810.30

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Solution

The fourth proportional to 18,104,150.70, 27,156,226.05 and 15,765,810.30 is: 23,648,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,150.70 : 27,156,226.05 = 15,765,810.30 : x
  2. Step 2: Convert to fraction form
    18,104,150.70/27,156,226.05 = 15,765,810.30/x
  3. Step 3: Cross multiply
    18,104,150.70x = 27,156,226.05 × 15,765,810.30
  4. Step 4: Simplify right side
    18,104,150.70x = 428,139,908,368,218.38
  5. Step 5: Solve for x
    x = 428,139,908,368,218.38/18,104,150.70
  6. Step 6: Final answer
    x = 23,648,715.45

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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.