Home / 12,963,610.24-17,888,256.96-7,162,046.08

Finding the Fourth Proportional to 12,963,610.24, 17,888,256.96 and 7,162,046.08

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Solution

The fourth proportional to 12,963,610.24, 17,888,256.96 and 7,162,046.08 is: 9,882,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,610.24 : 17,888,256.96 = 7,162,046.08 : x
  2. Step 2: Convert to fraction form
    12,963,610.24/17,888,256.96 = 7,162,046.08/x
  3. Step 3: Cross multiply
    12,963,610.24x = 17,888,256.96 × 7,162,046.08
  4. Step 4: Simplify right side
    12,963,610.24x = 128,116,520,638,400.72
  5. Step 5: Solve for x
    x = 128,116,520,638,400.72/12,963,610.24
  6. Step 6: Final answer
    x = 9,882,780.97

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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.