Home / 9,194,379.30-12,688,243.38-5,329,142.46

Finding the Fourth Proportional to 9,194,379.30, 12,688,243.38 and 5,329,142.46

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Solution

The fourth proportional to 9,194,379.30, 12,688,243.38 and 5,329,142.46 is: 7,354,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194,379.30 : 12,688,243.38 = 5,329,142.46 : x
  2. Step 2: Convert to fraction form
    9,194,379.30/12,688,243.38 = 5,329,142.46/x
  3. Step 3: Cross multiply
    9,194,379.30x = 12,688,243.38 × 5,329,142.46
  4. Step 4: Simplify right side
    9,194,379.30x = 67,617,456,539,171.92
  5. Step 5: Solve for x
    x = 67,617,456,539,171.92/9,194,379.30
  6. Step 6: Final answer
    x = 7,354,216.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.