Home / 7,690,139.60-11,540,886.68-3,646,640.96

Finding the Fourth Proportional to 7,690,139.60, 11,540,886.68 and 3,646,640.96

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Solution

The fourth proportional to 7,690,139.60, 11,540,886.68 and 3,646,640.96 is: 5,472,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690,139.60 : 11,540,886.68 = 3,646,640.96 : x
  2. Step 2: Convert to fraction form
    7,690,139.60/11,540,886.68 = 3,646,640.96/x
  3. Step 3: Cross multiply
    7,690,139.60x = 11,540,886.68 × 3,646,640.96
  4. Step 4: Simplify right side
    7,690,139.60x = 42,085,470,076,696.91
  5. Step 5: Solve for x
    x = 42,085,470,076,696.91/7,690,139.60
  6. Step 6: Final answer
    x = 5,472,653.59

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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.