Home / 15,395,078.38-21,245,264.48-8,330,671.70

Finding the Fourth Proportional to 15,395,078.38, 21,245,264.48 and 8,330,671.70

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Solution

The fourth proportional to 15,395,078.38, 21,245,264.48 and 8,330,671.70 is: 11,496,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,078.38 : 21,245,264.48 = 8,330,671.70 : x
  2. Step 2: Convert to fraction form
    15,395,078.38/21,245,264.48 = 8,330,671.70/x
  3. Step 3: Cross multiply
    15,395,078.38x = 21,245,264.48 × 8,330,671.70
  4. Step 4: Simplify right side
    15,395,078.38x = 176,987,323,520,897.88
  5. Step 5: Solve for x
    x = 176,987,323,520,897.88/15,395,078.38
  6. Step 6: Final answer
    x = 11,496,357.42

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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.