Home / 15,491,143.80-23,236,715.70-5,393,764.80

Finding the Fourth Proportional to 15,491,143.80, 23,236,715.70 and 5,393,764.80

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Solution

The fourth proportional to 15,491,143.80, 23,236,715.70 and 5,393,764.80 is: 8,090,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491,143.80 : 23,236,715.70 = 5,393,764.80 : x
  2. Step 2: Convert to fraction form
    15,491,143.80/23,236,715.70 = 5,393,764.80/x
  3. Step 3: Cross multiply
    15,491,143.80x = 23,236,715.70 × 5,393,764.80
  4. Step 4: Simplify right side
    15,491,143.80x = 125,333,379,210,267.36
  5. Step 5: Solve for x
    x = 125,333,379,210,267.36/15,491,143.80
  6. Step 6: Final answer
    x = 8,090,647.20

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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.