Home / 28,545,008.04-39,392,394.78-15,492,382.92

Finding the Fourth Proportional to 28,545,008.04, 39,392,394.78 and 15,492,382.92

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Solution

The fourth proportional to 28,545,008.04, 39,392,394.78 and 15,492,382.92 is: 21,379,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,008.04 : 39,392,394.78 = 15,492,382.92 : x
  2. Step 2: Convert to fraction form
    28,545,008.04/39,392,394.78 = 15,492,382.92/x
  3. Step 3: Cross multiply
    28,545,008.04x = 39,392,394.78 × 15,492,382.92
  4. Step 4: Simplify right side
    28,545,008.04x = 610,282,064,067,569.12
  5. Step 5: Solve for x
    x = 610,282,064,067,569.12/28,545,008.04
  6. Step 6: Final answer
    x = 21,379,642.40

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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.