Home / 8,241,782.20-12,363,810.15-4,785,149.78

Finding the Fourth Proportional to 8,241,782.20, 12,363,810.15 and 4,785,149.78

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Solution

The fourth proportional to 8,241,782.20, 12,363,810.15 and 4,785,149.78 is: 7,178,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,782.20 : 12,363,810.15 = 4,785,149.78 : x
  2. Step 2: Convert to fraction form
    8,241,782.20/12,363,810.15 = 4,785,149.78/x
  3. Step 3: Cross multiply
    8,241,782.20x = 12,363,810.15 × 4,785,149.78
  4. Step 4: Simplify right side
    8,241,782.20x = 59,162,683,421,723.81
  5. Step 5: Solve for x
    x = 59,162,683,421,723.81/8,241,782.20
  6. Step 6: Final answer
    x = 7,178,384.72

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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.