Home / 15,660,057.80-23,490,086.70-5,424,897.80

Finding the Fourth Proportional to 15,660,057.80, 23,490,086.70 and 5,424,897.80

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Solution

The fourth proportional to 15,660,057.80, 23,490,086.70 and 5,424,897.80 is: 8,137,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660,057.80 : 23,490,086.70 = 5,424,897.80 : x
  2. Step 2: Convert to fraction form
    15,660,057.80/23,490,086.70 = 5,424,897.80/x
  3. Step 3: Cross multiply
    15,660,057.80x = 23,490,086.70 × 5,424,897.80
  4. Step 4: Simplify right side
    15,660,057.80x = 127,431,319,660,639.25
  5. Step 5: Solve for x
    x = 127,431,319,660,639.25/15,660,057.80
  6. Step 6: Final answer
    x = 8,137,346.70

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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.