Home / 8,620,672.20-12,931,008.30-7,079,493.30

Finding the Fourth Proportional to 8,620,672.20, 12,931,008.30 and 7,079,493.30

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Solution

The fourth proportional to 8,620,672.20, 12,931,008.30 and 7,079,493.30 is: 10,619,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,672.20 : 12,931,008.30 = 7,079,493.30 : x
  2. Step 2: Convert to fraction form
    8,620,672.20/12,931,008.30 = 7,079,493.30/x
  3. Step 3: Cross multiply
    8,620,672.20x = 12,931,008.30 × 7,079,493.30
  4. Step 4: Simplify right side
    8,620,672.20x = 91,544,986,622,094.39
  5. Step 5: Solve for x
    x = 91,544,986,622,094.39/8,620,672.20
  6. Step 6: Final answer
    x = 10,619,239.95

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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.