Home / 9,300,454.40-13,961,179.20-7,179,939.20

Finding the Fourth Proportional to 9,300,454.40, 13,961,179.20 and 7,179,939.20

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Solution

The fourth proportional to 9,300,454.40, 13,961,179.20 and 7,179,939.20 is: 10,778,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300,454.40 : 13,961,179.20 = 7,179,939.20 : x
  2. Step 2: Convert to fraction form
    9,300,454.40/13,961,179.20 = 7,179,939.20/x
  3. Step 3: Cross multiply
    9,300,454.40x = 13,961,179.20 × 7,179,939.20
  4. Step 4: Simplify right side
    9,300,454.40x = 100,240,417,816,304.64
  5. Step 5: Solve for x
    x = 100,240,417,816,304.64/9,300,454.40
  6. Step 6: Final answer
    x = 10,778,012.93

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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.