Home / 12,826,959.48-19,239,972.66-3,851,278.20

Finding the Fourth Proportional to 12,826,959.48, 19,239,972.66 and 3,851,278.20

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Solution

The fourth proportional to 12,826,959.48, 19,239,972.66 and 3,851,278.20 is: 5,776,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,959.48 : 19,239,972.66 = 3,851,278.20 : x
  2. Step 2: Convert to fraction form
    12,826,959.48/19,239,972.66 = 3,851,278.20/x
  3. Step 3: Cross multiply
    12,826,959.48x = 19,239,972.66 × 3,851,278.20
  4. Step 4: Simplify right side
    12,826,959.48x = 74,098,487,274,054.02
  5. Step 5: Solve for x
    x = 74,098,487,274,054.02/12,826,959.48
  6. Step 6: Final answer
    x = 5,776,777.22

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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.