Home / 8,423,359.20-12,637,371.60-5,589,007.20

Finding the Fourth Proportional to 8,423,359.20, 12,637,371.60 and 5,589,007.20

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Solution

The fourth proportional to 8,423,359.20, 12,637,371.60 and 5,589,007.20 is: 8,385,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,359.20 : 12,637,371.60 = 5,589,007.20 : x
  2. Step 2: Convert to fraction form
    8,423,359.20/12,637,371.60 = 5,589,007.20/x
  3. Step 3: Cross multiply
    8,423,359.20x = 12,637,371.60 × 5,589,007.20
  4. Step 4: Simplify right side
    8,423,359.20x = 70,630,360,861,475.52
  5. Step 5: Solve for x
    x = 70,630,360,861,475.52/8,423,359.20
  6. Step 6: Final answer
    x = 8,385,058.64

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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.