Home / 7,782,959.28-11,681,614.98-3,947,473.20

Finding the Fourth Proportional to 7,782,959.28, 11,681,614.98 and 3,947,473.20

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Solution

The fourth proportional to 7,782,959.28, 11,681,614.98 and 3,947,473.20 is: 5,924,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,959.28 : 11,681,614.98 = 3,947,473.20 : x
  2. Step 2: Convert to fraction form
    7,782,959.28/11,681,614.98 = 3,947,473.20/x
  3. Step 3: Cross multiply
    7,782,959.28x = 11,681,614.98 × 3,947,473.20
  4. Step 4: Simplify right side
    7,782,959.28x = 46,112,862,066,268.54
  5. Step 5: Solve for x
    x = 46,112,862,066,268.54/7,782,959.28
  6. Step 6: Final answer
    x = 5,924,849.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.