Home / 8,161,775.40-12,242,663.10-2,481,990.60

Finding the Fourth Proportional to 8,161,775.40, 12,242,663.10 and 2,481,990.60

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Solution

The fourth proportional to 8,161,775.40, 12,242,663.10 and 2,481,990.60 is: 3,722,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,775.40 : 12,242,663.10 = 2,481,990.60 : x
  2. Step 2: Convert to fraction form
    8,161,775.40/12,242,663.10 = 2,481,990.60/x
  3. Step 3: Cross multiply
    8,161,775.40x = 12,242,663.10 × 2,481,990.60
  4. Step 4: Simplify right side
    8,161,775.40x = 30,386,174,733,166.86
  5. Step 5: Solve for x
    x = 30,386,174,733,166.86/8,161,775.40
  6. Step 6: Final answer
    x = 3,722,985.90

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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.