Home / 15,014,436.57-20,719,703.34-8,487,849.15

Finding the Fourth Proportional to 15,014,436.57, 20,719,703.34 and 8,487,849.15

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Solution

The fourth proportional to 15,014,436.57, 20,719,703.34 and 8,487,849.15 is: 11,713,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014,436.57 : 20,719,703.34 = 8,487,849.15 : x
  2. Step 2: Convert to fraction form
    15,014,436.57/20,719,703.34 = 8,487,849.15/x
  3. Step 3: Cross multiply
    15,014,436.57x = 20,719,703.34 × 8,487,849.15
  4. Step 4: Simplify right side
    15,014,436.57x = 175,865,716,382,671.16
  5. Step 5: Solve for x
    x = 175,865,716,382,671.16/15,014,436.57
  6. Step 6: Final answer
    x = 11,713,107.95

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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.