Home / 15,107,580.55-20,847,809.23-8,581,189.69

Finding the Fourth Proportional to 15,107,580.55, 20,847,809.23 and 8,581,189.69

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Solution

The fourth proportional to 15,107,580.55, 20,847,809.23 and 8,581,189.69 is: 11,841,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107,580.55 : 20,847,809.23 = 8,581,189.69 : x
  2. Step 2: Convert to fraction form
    15,107,580.55/20,847,809.23 = 8,581,189.69/x
  3. Step 3: Cross multiply
    15,107,580.55x = 20,847,809.23 × 8,581,189.69
  4. Step 4: Simplify right side
    15,107,580.55x = 178,899,005,623,562.84
  5. Step 5: Solve for x
    x = 178,899,005,623,562.84/15,107,580.55
  6. Step 6: Final answer
    x = 11,841,671.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.