Home / 8,920,173.76-12,309,445.56-5,052,617.36

Finding the Fourth Proportional to 8,920,173.76, 12,309,445.56 and 5,052,617.36

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Solution

The fourth proportional to 8,920,173.76, 12,309,445.56 and 5,052,617.36 is: 6,972,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920,173.76 : 12,309,445.56 = 5,052,617.36 : x
  2. Step 2: Convert to fraction form
    8,920,173.76/12,309,445.56 = 5,052,617.36/x
  3. Step 3: Cross multiply
    8,920,173.76x = 12,309,445.56 × 5,052,617.36
  4. Step 4: Simplify right side
    8,920,173.76x = 62,194,918,328,430.93
  5. Step 5: Solve for x
    x = 62,194,918,328,430.93/8,920,173.76
  6. Step 6: Final answer
    x = 6,972,388.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.