Home / 10,656,001.80-15,984,002.70-6,400,974.60

Finding the Fourth Proportional to 10,656,001.80, 15,984,002.70 and 6,400,974.60

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Solution

The fourth proportional to 10,656,001.80, 15,984,002.70 and 6,400,974.60 is: 9,601,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,001.80 : 15,984,002.70 = 6,400,974.60 : x
  2. Step 2: Convert to fraction form
    10,656,001.80/15,984,002.70 = 6,400,974.60/x
  3. Step 3: Cross multiply
    10,656,001.80x = 15,984,002.70 × 6,400,974.60
  4. Step 4: Simplify right side
    10,656,001.80x = 102,313,195,289,031.41
  5. Step 5: Solve for x
    x = 102,313,195,289,031.41/10,656,001.80
  6. Step 6: Final answer
    x = 9,601,461.90

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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.