Home / 8,646,283.20-11,932,488.60-4,778,721.12

Finding the Fourth Proportional to 8,646,283.20, 11,932,488.60 and 4,778,721.12

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Solution

The fourth proportional to 8,646,283.20, 11,932,488.60 and 4,778,721.12 is: 6,594,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646,283.20 : 11,932,488.60 = 4,778,721.12 : x
  2. Step 2: Convert to fraction form
    8,646,283.20/11,932,488.60 = 4,778,721.12/x
  3. Step 3: Cross multiply
    8,646,283.20x = 11,932,488.60 × 4,778,721.12
  4. Step 4: Simplify right side
    8,646,283.20x = 57,022,035,286,979.23
  5. Step 5: Solve for x
    x = 57,022,035,286,979.23/8,646,283.20
  6. Step 6: Final answer
    x = 6,594,976.59

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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.