Home / 20,273,087.68-27,976,638.18-10,980,426.76

Finding the Fourth Proportional to 20,273,087.68, 27,976,638.18 and 10,980,426.76

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Solution

The fourth proportional to 20,273,087.68, 27,976,638.18 and 10,980,426.76 is: 15,152,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,087.68 : 27,976,638.18 = 10,980,426.76 : x
  2. Step 2: Convert to fraction form
    20,273,087.68/27,976,638.18 = 10,980,426.76/x
  3. Step 3: Cross multiply
    20,273,087.68x = 27,976,638.18 × 10,980,426.76
  4. Step 4: Simplify right side
    20,273,087.68x = 307,195,426,526,509.69
  5. Step 5: Solve for x
    x = 307,195,426,526,509.69/20,273,087.68
  6. Step 6: Final answer
    x = 15,152,868.24

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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.