Home / 28,042,448-38,698,694.88-15,165,392

Finding the Fourth Proportional to 28,042,448, 38,698,694.88 and 15,165,392

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Solution

The fourth proportional to 28,042,448, 38,698,694.88 and 15,165,392 is: 20,928,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042,448 : 38,698,694.88 = 15,165,392 : x
  2. Step 2: Convert to fraction form
    28,042,448/38,698,694.88 = 15,165,392/x
  3. Step 3: Cross multiply
    28,042,448x = 38,698,694.88 × 15,165,392
  4. Step 4: Simplify right side
    28,042,448x = 586,880,877,743,593
  5. Step 5: Solve for x
    x = 586,880,877,743,593/28,042,448
  6. Step 6: Final answer
    x = 20,928,304.04

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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.