Home / 12,474,360.80-18,711,541.20-7,080,927.20

Finding the Fourth Proportional to 12,474,360.80, 18,711,541.20 and 7,080,927.20

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Solution

The fourth proportional to 12,474,360.80, 18,711,541.20 and 7,080,927.20 is: 10,621,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,360.80 : 18,711,541.20 = 7,080,927.20 : x
  2. Step 2: Convert to fraction form
    12,474,360.80/18,711,541.20 = 7,080,927.20/x
  3. Step 3: Cross multiply
    12,474,360.80x = 18,711,541.20 × 7,080,927.20
  4. Step 4: Simplify right side
    12,474,360.80x = 132,495,061,037,000.64
  5. Step 5: Solve for x
    x = 132,495,061,037,000.64/12,474,360.80
  6. Step 6: Final answer
    x = 10,621,390.80

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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.