Home / 28,107,029.40-42,160,544.10-17,336,491.80

Finding the Fourth Proportional to 28,107,029.40, 42,160,544.10 and 17,336,491.80

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Solution

The fourth proportional to 28,107,029.40, 42,160,544.10 and 17,336,491.80 is: 26,004,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,029.40 : 42,160,544.10 = 17,336,491.80 : x
  2. Step 2: Convert to fraction form
    28,107,029.40/42,160,544.10 = 17,336,491.80/x
  3. Step 3: Cross multiply
    28,107,029.40x = 42,160,544.10 × 17,336,491.80
  4. Step 4: Simplify right side
    28,107,029.40x = 730,915,927,073,188.38
  5. Step 5: Solve for x
    x = 730,915,927,073,188.38/28,107,029.40
  6. Step 6: Final answer
    x = 26,004,737.70

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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.