Home / 8,398,439.20-12,597,658.80-3,353,370.40

Finding the Fourth Proportional to 8,398,439.20, 12,597,658.80 and 3,353,370.40

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Solution

The fourth proportional to 8,398,439.20, 12,597,658.80 and 3,353,370.40 is: 5,030,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,439.20 : 12,597,658.80 = 3,353,370.40 : x
  2. Step 2: Convert to fraction form
    8,398,439.20/12,597,658.80 = 3,353,370.40/x
  3. Step 3: Cross multiply
    8,398,439.20x = 12,597,658.80 × 3,353,370.40
  4. Step 4: Simplify right side
    8,398,439.20x = 42,244,616,129,219.52
  5. Step 5: Solve for x
    x = 42,244,616,129,219.52/8,398,439.20
  6. Step 6: Final answer
    x = 5,030,055.60

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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.