Home / 13,055,810.80-18,016,660.60-7,254,443.38

Finding the Fourth Proportional to 13,055,810.80, 18,016,660.60 and 7,254,443.38

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Solution

The fourth proportional to 13,055,810.80, 18,016,660.60 and 7,254,443.38 is: 10,010,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,810.80 : 18,016,660.60 = 7,254,443.38 : x
  2. Step 2: Convert to fraction form
    13,055,810.80/18,016,660.60 = 7,254,443.38/x
  3. Step 3: Cross multiply
    13,055,810.80x = 18,016,660.60 × 7,254,443.38
  4. Step 4: Simplify right side
    13,055,810.80x = 130,700,844,219,376.84
  5. Step 5: Solve for x
    x = 130,700,844,219,376.84/13,055,810.80
  6. Step 6: Final answer
    x = 10,010,932.77

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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.