Home / 12,474,335.80-18,711,503.70-7,080,902.20

Finding the Fourth Proportional to 12,474,335.80, 18,711,503.70 and 7,080,902.20

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Solution

The fourth proportional to 12,474,335.80, 18,711,503.70 and 7,080,902.20 is: 10,621,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,335.80 : 18,711,503.70 = 7,080,902.20 : x
  2. Step 2: Convert to fraction form
    12,474,335.80/18,711,503.70 = 7,080,902.20/x
  3. Step 3: Cross multiply
    12,474,335.80x = 18,711,503.70 × 7,080,902.20
  4. Step 4: Simplify right side
    12,474,335.80x = 132,494,327,714,638.14
  5. Step 5: Solve for x
    x = 132,494,327,714,638.14/12,474,335.80
  6. Step 6: Final answer
    x = 10,621,353.30

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1.5x scale

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.