Home / 13,055,811.80-18,016,661.98-7,254,444.38

Finding the Fourth Proportional to 13,055,811.80, 18,016,661.98 and 7,254,444.38

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Solution

The fourth proportional to 13,055,811.80, 18,016,661.98 and 7,254,444.38 is: 10,010,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,811.80 : 18,016,661.98 = 7,254,444.38 : x
  2. Step 2: Convert to fraction form
    13,055,811.80/18,016,661.98 = 7,254,444.38/x
  3. Step 3: Cross multiply
    13,055,811.80x = 18,016,661.98 × 7,254,444.38
  4. Step 4: Simplify right side
    13,055,811.80x = 130,700,872,247,170.67
  5. Step 5: Solve for x
    x = 130,700,872,247,170.67/13,055,811.80
  6. Step 6: Final answer
    x = 10,010,934.15

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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.