Home / 13,438,340.45-20,207,277.08-11,248,618.85

Finding the Fourth Proportional to 13,438,340.45, 20,207,277.08 and 11,248,618.85

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Solution

The fourth proportional to 13,438,340.45, 20,207,277.08 and 11,248,618.85 is: 16,914,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,340.45 : 20,207,277.08 = 11,248,618.85 : x
  2. Step 2: Convert to fraction form
    13,438,340.45/20,207,277.08 = 11,248,618.85/x
  3. Step 3: Cross multiply
    13,438,340.45x = 20,207,277.08 × 11,248,618.85
  4. Step 4: Simplify right side
    13,438,340.45x = 227,303,957,813,017.84
  5. Step 5: Solve for x
    x = 227,303,957,813,017.84/13,438,340.45
  6. Step 6: Final answer
    x = 16,914,585.45

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1.5x scale

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.