Home / 20,417,107.56-28,177,593.98-15,251,501.04

Finding the Fourth Proportional to 20,417,107.56, 28,177,593.98 and 15,251,501.04

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Solution

The fourth proportional to 20,417,107.56, 28,177,593.98 and 15,251,501.04 is: 21,048,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,107.56 : 28,177,593.98 = 15,251,501.04 : x
  2. Step 2: Convert to fraction form
    20,417,107.56/28,177,593.98 = 15,251,501.04/x
  3. Step 3: Cross multiply
    20,417,107.56x = 28,177,593.98 × 15,251,501.04
  4. Step 4: Simplify right side
    20,417,107.56x = 429,750,603,794,534
  5. Step 5: Solve for x
    x = 429,750,603,794,534/20,417,107.56
  6. Step 6: Final answer
    x = 21,048,554.63

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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.