Home / 7,190,242.79-9,922,519.32-3,927,057.80

Finding the Fourth Proportional to 7,190,242.79, 9,922,519.32 and 3,927,057.80

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Solution

The fourth proportional to 7,190,242.79, 9,922,519.32 and 3,927,057.80 is: 5,419,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,242.79 : 9,922,519.32 = 3,927,057.80 : x
  2. Step 2: Convert to fraction form
    7,190,242.79/9,922,519.32 = 3,927,057.80/x
  3. Step 3: Cross multiply
    7,190,242.79x = 9,922,519.32 × 3,927,057.80
  4. Step 4: Simplify right side
    7,190,242.79x = 38,966,306,891,256.70
  5. Step 5: Solve for x
    x = 38,966,306,891,256.70/7,190,242.79
  6. Step 6: Final answer
    x = 5,419,331.17

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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.