Home / 10,972,638.27-15,142,080.87-6,077,844.32

Finding the Fourth Proportional to 10,972,638.27, 15,142,080.87 and 6,077,844.32

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Solution

The fourth proportional to 10,972,638.27, 15,142,080.87 and 6,077,844.32 is: 8,387,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,638.27 : 15,142,080.87 = 6,077,844.32 : x
  2. Step 2: Convert to fraction form
    10,972,638.27/15,142,080.87 = 6,077,844.32/x
  3. Step 3: Cross multiply
    10,972,638.27x = 15,142,080.87 × 6,077,844.32
  4. Step 4: Simplify right side
    10,972,638.27x = 92,031,210,132,999.75
  5. Step 5: Solve for x
    x = 92,031,210,132,999.75/10,972,638.27
  6. Step 6: Final answer
    x = 8,387,336.56

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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.