Home / 12,826,442.03-17,700,834.30-7,244,240.72

Finding the Fourth Proportional to 12,826,442.03, 17,700,834.30 and 7,244,240.72

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Solution

The fourth proportional to 12,826,442.03, 17,700,834.30 and 7,244,240.72 is: 9,997,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,442.03 : 17,700,834.30 = 7,244,240.72 : x
  2. Step 2: Convert to fraction form
    12,826,442.03/17,700,834.30 = 7,244,240.72/x
  3. Step 3: Cross multiply
    12,826,442.03x = 17,700,834.30 × 7,244,240.72
  4. Step 4: Simplify right side
    12,826,442.03x = 128,229,104,614,032.70
  5. Step 5: Solve for x
    x = 128,229,104,614,032.70/12,826,442.03
  6. Step 6: Final answer
    x = 9,997,246.65

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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.