Home / 13,216,713.96-19,825,043.67-7,456,832.87

Finding the Fourth Proportional to 13,216,713.96, 19,825,043.67 and 7,456,832.87

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Solution

The fourth proportional to 13,216,713.96, 19,825,043.67 and 7,456,832.87 is: 11,185,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,713.96 : 19,825,043.67 = 7,456,832.87 : x
  2. Step 2: Convert to fraction form
    13,216,713.96/19,825,043.67 = 7,456,832.87/x
  3. Step 3: Cross multiply
    13,216,713.96x = 19,825,043.67 × 7,456,832.87
  4. Step 4: Simplify right side
    13,216,713.96x = 147,832,037,287,641.44
  5. Step 5: Solve for x
    x = 147,832,037,287,641.44/13,216,713.96
  6. Step 6: Final answer
    x = 11,185,233.92

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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.