Home / 15,942,905.20-23,916,690.60-5,158,370.80

Finding the Fourth Proportional to 15,942,905.20, 23,916,690.60 and 5,158,370.80

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Solution

The fourth proportional to 15,942,905.20, 23,916,690.60 and 5,158,370.80 is: 7,738,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,905.20 : 23,916,690.60 = 5,158,370.80 : x
  2. Step 2: Convert to fraction form
    15,942,905.20/23,916,690.60 = 5,158,370.80/x
  3. Step 3: Cross multiply
    15,942,905.20x = 23,916,690.60 × 5,158,370.80
  4. Step 4: Simplify right side
    15,942,905.20x = 123,371,158,423,674.48
  5. Step 5: Solve for x
    x = 123,371,158,423,674.48/15,942,905.20
  6. Step 6: Final answer
    x = 7,738,310.98

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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.