Home / 28,005,934.11-38,648,665.04-15,448,429.56

Finding the Fourth Proportional to 28,005,934.11, 38,648,665.04 and 15,448,429.56

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Solution

The fourth proportional to 28,005,934.11, 38,648,665.04 and 15,448,429.56 is: 21,319,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,934.11 : 38,648,665.04 = 15,448,429.56 : x
  2. Step 2: Convert to fraction form
    28,005,934.11/38,648,665.04 = 15,448,429.56/x
  3. Step 3: Cross multiply
    28,005,934.11x = 38,648,665.04 × 15,448,429.56
  4. Step 4: Simplify right side
    28,005,934.11x = 597,061,179,395,663.62
  5. Step 5: Solve for x
    x = 597,061,179,395,663.62/28,005,934.11
  6. Step 6: Final answer
    x = 21,319,095.34

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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.