Home / 12,740,082.60-17,583,310.79-7,513,665.23

Finding the Fourth Proportional to 12,740,082.60, 17,583,310.79 and 7,513,665.23

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Solution

The fourth proportional to 12,740,082.60, 17,583,310.79 and 7,513,665.23 is: 10,370,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,082.60 : 17,583,310.79 = 7,513,665.23 : x
  2. Step 2: Convert to fraction form
    12,740,082.60/17,583,310.79 = 7,513,665.23/x
  3. Step 3: Cross multiply
    12,740,082.60x = 17,583,310.79 × 7,513,665.23
  4. Step 4: Simplify right side
    12,740,082.60x = 132,115,110,785,621.95
  5. Step 5: Solve for x
    x = 132,115,110,785,621.95/12,740,082.60
  6. Step 6: Final answer
    x = 10,370,035.65

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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.