Home / 7,138,288.76-10,694,442.35-6,373,013.72

Finding the Fourth Proportional to 7,138,288.76, 10,694,442.35 and 6,373,013.72

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Solution

The fourth proportional to 7,138,288.76, 10,694,442.35 and 6,373,013.72 is: 9,547,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,288.76 : 10,694,442.35 = 6,373,013.72 : x
  2. Step 2: Convert to fraction form
    7,138,288.76/10,694,442.35 = 6,373,013.72/x
  3. Step 3: Cross multiply
    7,138,288.76x = 10,694,442.35 × 6,373,013.72
  4. Step 4: Simplify right side
    7,138,288.76x = 68,155,827,738,961.77
  5. Step 5: Solve for x
    x = 68,155,827,738,961.77/7,138,288.76
  6. Step 6: Final answer
    x = 9,547,922.49

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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.