Home / 20,159,182.40-30,250,583.40-7,380,978.80

Finding the Fourth Proportional to 20,159,182.40, 30,250,583.40 and 7,380,978.80

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Solution

The fourth proportional to 20,159,182.40, 30,250,583.40 and 7,380,978.80 is: 11,075,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,182.40 : 30,250,583.40 = 7,380,978.80 : x
  2. Step 2: Convert to fraction form
    20,159,182.40/30,250,583.40 = 7,380,978.80/x
  3. Step 3: Cross multiply
    20,159,182.40x = 30,250,583.40 × 7,380,978.80
  4. Step 4: Simplify right side
    20,159,182.40x = 223,278,914,763,031.91
  5. Step 5: Solve for x
    x = 223,278,914,763,031.91/20,159,182.40
  6. Step 6: Final answer
    x = 11,075,792.18

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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.