Home / 20,570,948.14-28,387,758.37-11,278,364.94

Finding the Fourth Proportional to 20,570,948.14, 28,387,758.37 and 11,278,364.94

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Solution

The fourth proportional to 20,570,948.14, 28,387,758.37 and 11,278,364.94 is: 15,564,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570,948.14 : 28,387,758.37 = 11,278,364.94 : x
  2. Step 2: Convert to fraction form
    20,570,948.14/28,387,758.37 = 11,278,364.94/x
  3. Step 3: Cross multiply
    20,570,948.14x = 28,387,758.37 × 11,278,364.94
  4. Step 4: Simplify right side
    20,570,948.14x = 320,167,498,725,399.56
  5. Step 5: Solve for x
    x = 320,167,498,725,399.56/20,570,948.14
  6. Step 6: Final answer
    x = 15,564,061.34

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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.