Home / 12,582,478.80-18,887,909.40-8,330,950.80

Finding the Fourth Proportional to 12,582,478.80, 18,887,909.40 and 8,330,950.80

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Solution

The fourth proportional to 12,582,478.80, 18,887,909.40 and 8,330,950.80 is: 12,505,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,478.80 : 18,887,909.40 = 8,330,950.80 : x
  2. Step 2: Convert to fraction form
    12,582,478.80/18,887,909.40 = 8,330,950.80/x
  3. Step 3: Cross multiply
    12,582,478.80x = 18,887,909.40 × 8,330,950.80
  4. Step 4: Simplify right side
    12,582,478.80x = 157,354,243,926,257.50
  5. Step 5: Solve for x
    x = 157,354,243,926,257.50/12,582,478.80
  6. Step 6: Final answer
    x = 12,505,822.30

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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.