Home / 7,200,488.30-9,934,758.74-4,102,945.29

Finding the Fourth Proportional to 7,200,488.30, 9,934,758.74 and 4,102,945.29

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Solution

The fourth proportional to 7,200,488.30, 9,934,758.74 and 4,102,945.29 is: 5,660,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,488.30 : 9,934,758.74 = 4,102,945.29 : x
  2. Step 2: Convert to fraction form
    7,200,488.30/9,934,758.74 = 4,102,945.29/x
  3. Step 3: Cross multiply
    7,200,488.30x = 9,934,758.74 × 4,102,945.29
  4. Step 4: Simplify right side
    7,200,488.30x = 40,761,771,589,826.70
  5. Step 5: Solve for x
    x = 40,761,771,589,826.70/7,200,488.30
  6. Step 6: Final answer
    x = 5,660,973.25

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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.