Home / 12,797,157.60-17,660,287.44-7,640,969.76

Finding the Fourth Proportional to 12,797,157.60, 17,660,287.44 and 7,640,969.76

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Solution

The fourth proportional to 12,797,157.60, 17,660,287.44 and 7,640,969.76 is: 10,544,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,157.60 : 17,660,287.44 = 7,640,969.76 : x
  2. Step 2: Convert to fraction form
    12,797,157.60/17,660,287.44 = 7,640,969.76/x
  3. Step 3: Cross multiply
    12,797,157.60x = 17,660,287.44 × 7,640,969.76
  4. Step 4: Simplify right side
    12,797,157.60x = 134,941,722,281,947.83
  5. Step 5: Solve for x
    x = 134,941,722,281,947.83/12,797,157.60
  6. Step 6: Final answer
    x = 10,544,663.63

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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.