Home / 21,546,529.20-32,319,793.80-10,209,121.20

Finding the Fourth Proportional to 21,546,529.20, 32,319,793.80 and 10,209,121.20

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Solution

The fourth proportional to 21,546,529.20, 32,319,793.80 and 10,209,121.20 is: 15,313,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,529.20 : 32,319,793.80 = 10,209,121.20 : x
  2. Step 2: Convert to fraction form
    21,546,529.20/32,319,793.80 = 10,209,121.20/x
  3. Step 3: Cross multiply
    21,546,529.20x = 32,319,793.80 × 10,209,121.20
  4. Step 4: Simplify right side
    21,546,529.20x = 329,956,692,063,208.56
  5. Step 5: Solve for x
    x = 329,956,692,063,208.56/21,546,529.20
  6. Step 6: Final answer
    x = 15,313,681.80

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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.