Home / 9,137,635.65-12,608,338.50-5,215,601.07

Finding the Fourth Proportional to 9,137,635.65, 12,608,338.50 and 5,215,601.07

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Solution

The fourth proportional to 9,137,635.65, 12,608,338.50 and 5,215,601.07 is: 7,196,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137,635.65 : 12,608,338.50 = 5,215,601.07 : x
  2. Step 2: Convert to fraction form
    9,137,635.65/12,608,338.50 = 5,215,601.07/x
  3. Step 3: Cross multiply
    9,137,635.65x = 12,608,338.50 × 5,215,601.07
  4. Step 4: Simplify right side
    9,137,635.65x = 65,760,063,771,522.20
  5. Step 5: Solve for x
    x = 65,760,063,771,522.20/9,137,635.65
  6. Step 6: Final answer
    x = 7,196,616.97

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1.5x scale

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.