Home / 8,315,141.30-12,485,542.35-4,536,005.30

Finding the Fourth Proportional to 8,315,141.30, 12,485,542.35 and 4,536,005.30

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Solution

The fourth proportional to 8,315,141.30, 12,485,542.35 and 4,536,005.30 is: 6,811,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,141.30 : 12,485,542.35 = 4,536,005.30 : x
  2. Step 2: Convert to fraction form
    8,315,141.30/12,485,542.35 = 4,536,005.30/x
  3. Step 3: Cross multiply
    8,315,141.30x = 12,485,542.35 × 4,536,005.30
  4. Step 4: Simplify right side
    8,315,141.30x = 56,634,486,272,974.45
  5. Step 5: Solve for x
    x = 56,634,486,272,974.45/8,315,141.30
  6. Step 6: Final answer
    x = 6,811,007.08

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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.