Home / 15,552,080.70-23,328,121.05-7,979,811.90

Finding the Fourth Proportional to 15,552,080.70, 23,328,121.05 and 7,979,811.90

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Solution

The fourth proportional to 15,552,080.70, 23,328,121.05 and 7,979,811.90 is: 11,969,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,080.70 : 23,328,121.05 = 7,979,811.90 : x
  2. Step 2: Convert to fraction form
    15,552,080.70/23,328,121.05 = 7,979,811.90/x
  3. Step 3: Cross multiply
    15,552,080.70x = 23,328,121.05 × 7,979,811.90
  4. Step 4: Simplify right side
    15,552,080.70x = 186,154,017,959,430.50
  5. Step 5: Solve for x
    x = 186,154,017,959,430.50/15,552,080.70
  6. Step 6: Final answer
    x = 11,969,717.85

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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.