Home / 39,159,787.01-54,041,406.14-21,519,786.28

Finding the Fourth Proportional to 39,159,787.01, 54,041,406.14 and 21,519,786.28

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Solution

The fourth proportional to 39,159,787.01, 54,041,406.14 and 21,519,786.28 is: 29,697,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159,787.01 : 54,041,406.14 = 21,519,786.28 : x
  2. Step 2: Convert to fraction form
    39,159,787.01/54,041,406.14 = 21,519,786.28/x
  3. Step 3: Cross multiply
    39,159,787.01x = 54,041,406.14 × 21,519,786.28
  4. Step 4: Simplify right side
    39,159,787.01x = 1,162,959,510,403,479.75
  5. Step 5: Solve for x
    x = 1,162,959,510,403,479.75/39,159,787.01
  6. Step 6: Final answer
    x = 29,697,799.69

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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.