Home / 7,320,128.87-10,101,778.79-4,057,154.26

Finding the Fourth Proportional to 7,320,128.87, 10,101,778.79 and 4,057,154.26

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Solution

The fourth proportional to 7,320,128.87, 10,101,778.79 and 4,057,154.26 is: 5,598,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,128.87 : 10,101,778.79 = 4,057,154.26 : x
  2. Step 2: Convert to fraction form
    7,320,128.87/10,101,778.79 = 4,057,154.26/x
  3. Step 3: Cross multiply
    7,320,128.87x = 10,101,778.79 × 4,057,154.26
  4. Step 4: Simplify right side
    7,320,128.87x = 40,984,474,805,885.93
  5. Step 5: Solve for x
    x = 40,984,474,805,885.93/7,320,128.87
  6. Step 6: Final answer
    x = 5,598,873.40

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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.