Home / 15,836,866.20-23,755,299.30-12,435,643.80

Finding the Fourth Proportional to 15,836,866.20, 23,755,299.30 and 12,435,643.80

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Solution

The fourth proportional to 15,836,866.20, 23,755,299.30 and 12,435,643.80 is: 18,653,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836,866.20 : 23,755,299.30 = 12,435,643.80 : x
  2. Step 2: Convert to fraction form
    15,836,866.20/23,755,299.30 = 12,435,643.80/x
  3. Step 3: Cross multiply
    15,836,866.20x = 23,755,299.30 × 12,435,643.80
  4. Step 4: Simplify right side
    15,836,866.20x = 295,412,440,457,189.38
  5. Step 5: Solve for x
    x = 295,412,440,457,189.38/15,836,866.20
  6. Step 6: Final answer
    x = 18,653,465.70

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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.