Home / 7,932,378.47-10,942,652.88-5,180,676.44

Finding the Fourth Proportional to 7,932,378.47, 10,942,652.88 and 5,180,676.44

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Solution

The fourth proportional to 7,932,378.47, 10,942,652.88 and 5,180,676.44 is: 7,146,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932,378.47 : 10,942,652.88 = 5,180,676.44 : x
  2. Step 2: Convert to fraction form
    7,932,378.47/10,942,652.88 = 5,180,676.44/x
  3. Step 3: Cross multiply
    7,932,378.47x = 10,942,652.88 × 5,180,676.44
  4. Step 4: Simplify right side
    7,932,378.47x = 56,690,343,911,800.88
  5. Step 5: Solve for x
    x = 56,690,343,911,800.88/7,932,378.47
  6. Step 6: Final answer
    x = 7,146,701.86

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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.