Home / 7,278,000.20-10,917,000.30-6,158,256.20

Finding the Fourth Proportional to 7,278,000.20, 10,917,000.30 and 6,158,256.20

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Solution

The fourth proportional to 7,278,000.20, 10,917,000.30 and 6,158,256.20 is: 9,237,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,000.20 : 10,917,000.30 = 6,158,256.20 : x
  2. Step 2: Convert to fraction form
    7,278,000.20/10,917,000.30 = 6,158,256.20/x
  3. Step 3: Cross multiply
    7,278,000.20x = 10,917,000.30 × 6,158,256.20
  4. Step 4: Simplify right side
    7,278,000.20x = 67,229,684,782,876.87
  5. Step 5: Solve for x
    x = 67,229,684,782,876.87/7,278,000.20
  6. Step 6: Final answer
    x = 9,237,384.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.