Home / 9,980,020.80-14,970,031.20-8,972,251.20

Finding the Fourth Proportional to 9,980,020.80, 14,970,031.20 and 8,972,251.20

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Solution

The fourth proportional to 9,980,020.80, 14,970,031.20 and 8,972,251.20 is: 13,458,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,020.80 : 14,970,031.20 = 8,972,251.20 : x
  2. Step 2: Convert to fraction form
    9,980,020.80/14,970,031.20 = 8,972,251.20/x
  3. Step 3: Cross multiply
    9,980,020.80x = 14,970,031.20 × 8,972,251.20
  4. Step 4: Simplify right side
    9,980,020.80x = 134,314,880,398,237.42
  5. Step 5: Solve for x
    x = 134,314,880,398,237.42/9,980,020.80
  6. Step 6: Final answer
    x = 13,458,376.80

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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.