Home / 9,405,333.28-12,979,191.84-5,275,373.28

Finding the Fourth Proportional to 9,405,333.28, 12,979,191.84 and 5,275,373.28

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Solution

The fourth proportional to 9,405,333.28, 12,979,191.84 and 5,275,373.28 is: 7,279,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,333.28 : 12,979,191.84 = 5,275,373.28 : x
  2. Step 2: Convert to fraction form
    9,405,333.28/12,979,191.84 = 5,275,373.28/x
  3. Step 3: Cross multiply
    9,405,333.28x = 12,979,191.84 × 5,275,373.28
  4. Step 4: Simplify right side
    9,405,333.28x = 68,470,081,828,730.04
  5. Step 5: Solve for x
    x = 68,470,081,828,730.04/9,405,333.28
  6. Step 6: Final answer
    x = 7,279,920.85

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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.