Home / 18,454,928.40-27,666,689.40-11,271,501.36

Finding the Fourth Proportional to 18,454,928.40, 27,666,689.40 and 11,271,501.36

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Solution

The fourth proportional to 18,454,928.40, 27,666,689.40 and 11,271,501.36 is: 16,897,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,928.40 : 27,666,689.40 = 11,271,501.36 : x
  2. Step 2: Convert to fraction form
    18,454,928.40/27,666,689.40 = 11,271,501.36/x
  3. Step 3: Cross multiply
    18,454,928.40x = 27,666,689.40 × 11,271,501.36
  4. Step 4: Simplify right side
    18,454,928.40x = 311,845,127,198,797.56
  5. Step 5: Solve for x
    x = 311,845,127,198,797.56/18,454,928.40
  6. Step 6: Final answer
    x = 16,897,661.18

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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.