Home / 13,057,202.92-18,017,794.02-7,255,617.16

Finding the Fourth Proportional to 13,057,202.92, 18,017,794.02 and 7,255,617.16

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Solution

The fourth proportional to 13,057,202.92, 18,017,794.02 and 7,255,617.16 is: 10,012,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,202.92 : 18,017,794.02 = 7,255,617.16 : x
  2. Step 2: Convert to fraction form
    13,057,202.92/18,017,794.02 = 7,255,617.16/x
  3. Step 3: Cross multiply
    13,057,202.92x = 18,017,794.02 × 7,255,617.16
  4. Step 4: Simplify right side
    13,057,202.92x = 130,730,215,476,857.38
  5. Step 5: Solve for x
    x = 130,730,215,476,857.38/13,057,202.92
  6. Step 6: Final answer
    x = 10,012,114.87

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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.