Home / 7,768,824.28-10,721,561.97-4,505,612.52

Finding the Fourth Proportional to 7,768,824.28, 10,721,561.97 and 4,505,612.52

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Solution

The fourth proportional to 7,768,824.28, 10,721,561.97 and 4,505,612.52 is: 6,218,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,824.28 : 10,721,561.97 = 4,505,612.52 : x
  2. Step 2: Convert to fraction form
    7,768,824.28/10,721,561.97 = 4,505,612.52/x
  3. Step 3: Cross multiply
    7,768,824.28x = 10,721,561.97 × 4,505,612.52
  4. Step 4: Simplify right side
    7,768,824.28x = 48,307,203,845,987.86
  5. Step 5: Solve for x
    x = 48,307,203,845,987.86/7,768,824.28
  6. Step 6: Final answer
    x = 6,218,084.24

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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.