Home / 10,597,846.60-15,880,440.30-7,889,465.80

Finding the Fourth Proportional to 10,597,846.60, 15,880,440.30 and 7,889,465.80

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Solution

The fourth proportional to 10,597,846.60, 15,880,440.30 and 7,889,465.80 is: 11,822,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,597,846.60 : 15,880,440.30 = 7,889,465.80 : x
  2. Step 2: Convert to fraction form
    10,597,846.60/15,880,440.30 = 7,889,465.80/x
  3. Step 3: Cross multiply
    10,597,846.60x = 15,880,440.30 × 7,889,465.80
  4. Step 4: Simplify right side
    10,597,846.60x = 125,288,190,635,791.75
  5. Step 5: Solve for x
    x = 125,288,190,635,791.75/10,597,846.60
  6. Step 6: Final answer
    x = 11,822,042.29

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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.