Home / 8,306,239.20-12,456,901.20-3,254,642.40

Finding the Fourth Proportional to 8,306,239.20, 12,456,901.20 and 3,254,642.40

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Solution

The fourth proportional to 8,306,239.20, 12,456,901.20 and 3,254,642.40 is: 4,881,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,239.20 : 12,456,901.20 = 3,254,642.40 : x
  2. Step 2: Convert to fraction form
    8,306,239.20/12,456,901.20 = 3,254,642.40/x
  3. Step 3: Cross multiply
    8,306,239.20x = 12,456,901.20 × 3,254,642.40
  4. Step 4: Simplify right side
    8,306,239.20x = 40,542,758,818,130.88
  5. Step 5: Solve for x
    x = 40,542,758,818,130.88/8,306,239.20
  6. Step 6: Final answer
    x = 4,881,000.64

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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.