Home / 8,240,628.64-12,357,521.52-3,189,028

Finding the Fourth Proportional to 8,240,628.64, 12,357,521.52 and 3,189,028

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Solution

The fourth proportional to 8,240,628.64, 12,357,521.52 and 3,189,028 is: 4,782,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,628.64 : 12,357,521.52 = 3,189,028 : x
  2. Step 2: Convert to fraction form
    8,240,628.64/12,357,521.52 = 3,189,028/x
  3. Step 3: Cross multiply
    8,240,628.64x = 12,357,521.52 × 3,189,028
  4. Step 4: Simplify right side
    8,240,628.64x = 39,408,482,137,882.55
  5. Step 5: Solve for x
    x = 39,408,482,137,882.55/8,240,628.64
  6. Step 6: Final answer
    x = 4,782,217.94

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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.