Home / 10,972,714.75-15,142,347.66-6,078,253.85

Finding the Fourth Proportional to 10,972,714.75, 15,142,347.66 and 6,078,253.85

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Solution

The fourth proportional to 10,972,714.75, 15,142,347.66 and 6,078,253.85 is: 8,387,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,714.75 : 15,142,347.66 = 6,078,253.85 : x
  2. Step 2: Convert to fraction form
    10,972,714.75/15,142,347.66 = 6,078,253.85/x
  3. Step 3: Cross multiply
    10,972,714.75x = 15,142,347.66 × 6,078,253.85
  4. Step 4: Simplify right side
    10,972,714.75x = 92,039,033,051,474.72
  5. Step 5: Solve for x
    x = 92,039,033,051,474.72/10,972,714.75
  6. Step 6: Final answer
    x = 8,387,991.05

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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.