Home / 13,606,456.12-20,409,712.26-12,775,046.20

Finding the Fourth Proportional to 13,606,456.12, 20,409,712.26 and 12,775,046.20

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Solution

The fourth proportional to 13,606,456.12, 20,409,712.26 and 12,775,046.20 is: 19,162,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,456.12 : 20,409,712.26 = 12,775,046.20 : x
  2. Step 2: Convert to fraction form
    13,606,456.12/20,409,712.26 = 12,775,046.20/x
  3. Step 3: Cross multiply
    13,606,456.12x = 20,409,712.26 × 12,775,046.20
  4. Step 4: Simplify right side
    13,606,456.12x = 260,735,017,050,206.41
  5. Step 5: Solve for x
    x = 260,735,017,050,206.41/13,606,456.12
  6. Step 6: Final answer
    x = 19,162,595.66

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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.