Home / 11,188,003.08-15,429,905.46-9,454,139.40

Finding the Fourth Proportional to 11,188,003.08, 15,429,905.46 and 9,454,139.40

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Solution

The fourth proportional to 11,188,003.08, 15,429,905.46 and 9,454,139.40 is: 13,038,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188,003.08 : 15,429,905.46 = 9,454,139.40 : x
  2. Step 2: Convert to fraction form
    11,188,003.08/15,429,905.46 = 9,454,139.40/x
  3. Step 3: Cross multiply
    11,188,003.08x = 15,429,905.46 × 9,454,139.40
  4. Step 4: Simplify right side
    11,188,003.08x = 145,876,477,147,661.12
  5. Step 5: Solve for x
    x = 145,876,477,147,661.12/11,188,003.08
  6. Step 6: Final answer
    x = 13,038,651.86

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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.