Home / 40,127,908.01-55,376,838.47-21,793,324.73

Finding the Fourth Proportional to 40,127,908.01, 55,376,838.47 and 21,793,324.73

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Solution

The fourth proportional to 40,127,908.01, 55,376,838.47 and 21,793,324.73 is: 30,074,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127,908.01 : 55,376,838.47 = 21,793,324.73 : x
  2. Step 2: Convert to fraction form
    40,127,908.01/55,376,838.47 = 21,793,324.73/x
  3. Step 3: Cross multiply
    40,127,908.01x = 55,376,838.47 × 21,793,324.73
  4. Step 4: Simplify right side
    40,127,908.01x = 1,206,845,423,075,065.50
  5. Step 5: Solve for x
    x = 1,206,845,423,075,065.50/40,127,908.01
  6. Step 6: Final answer
    x = 30,074,964.86

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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.