Home / 25,857,145.68-38,689,913.04-20,724,006.96

Finding the Fourth Proportional to 25,857,145.68, 38,689,913.04 and 20,724,006.96

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Solution

The fourth proportional to 25,857,145.68, 38,689,913.04 and 20,724,006.96 is: 31,009,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857,145.68 : 38,689,913.04 = 20,724,006.96 : x
  2. Step 2: Convert to fraction form
    25,857,145.68/38,689,913.04 = 20,724,006.96/x
  3. Step 3: Cross multiply
    25,857,145.68x = 38,689,913.04 × 20,724,006.96
  4. Step 4: Simplify right side
    25,857,145.68x = 801,810,027,122,754.75
  5. Step 5: Solve for x
    x = 801,810,027,122,754.75/25,857,145.68
  6. Step 6: Final answer
    x = 31,009,224.18

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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.