Home / 6,772,520.80-9,343,418.30-3,870,354.76

Finding the Fourth Proportional to 6,772,520.80, 9,343,418.30 and 3,870,354.76

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Solution

The fourth proportional to 6,772,520.80, 9,343,418.30 and 3,870,354.76 is: 5,339,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772,520.80 : 9,343,418.30 = 3,870,354.76 : x
  2. Step 2: Convert to fraction form
    6,772,520.80/9,343,418.30 = 3,870,354.76/x
  3. Step 3: Cross multiply
    6,772,520.80x = 9,343,418.30 × 3,870,354.76
  4. Step 4: Simplify right side
    6,772,520.80x = 36,162,343,492,076.11
  5. Step 5: Solve for x
    x = 36,162,343,492,076.11/6,772,520.80
  6. Step 6: Final answer
    x = 5,339,569.20

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Double scale
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1.5x scale

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.