Home / 8,315,140.30-12,485,540.85-4,536,004.30

Finding the Fourth Proportional to 8,315,140.30, 12,485,540.85 and 4,536,004.30

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Solution

The fourth proportional to 8,315,140.30, 12,485,540.85 and 4,536,004.30 is: 6,811,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,140.30 : 12,485,540.85 = 4,536,004.30 : x
  2. Step 2: Convert to fraction form
    8,315,140.30/12,485,540.85 = 4,536,004.30/x
  3. Step 3: Cross multiply
    8,315,140.30x = 12,485,540.85 × 4,536,004.30
  4. Step 4: Simplify right side
    8,315,140.30x = 56,634,466,983,425.65
  5. Step 5: Solve for x
    x = 56,634,466,983,425.65/8,315,140.30
  6. Step 6: Final answer
    x = 6,811,005.58

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1.5x scale

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.