Home / 25,921,159.20-38,881,738.80-20,210,464.80

Finding the Fourth Proportional to 25,921,159.20, 38,881,738.80 and 20,210,464.80

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Solution

The fourth proportional to 25,921,159.20, 38,881,738.80 and 20,210,464.80 is: 30,315,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921,159.20 : 38,881,738.80 = 20,210,464.80 : x
  2. Step 2: Convert to fraction form
    25,921,159.20/38,881,738.80 = 20,210,464.80/x
  3. Step 3: Cross multiply
    25,921,159.20x = 38,881,738.80 × 20,210,464.80
  4. Step 4: Simplify right side
    25,921,159.20x = 785,818,013,380,194.25
  5. Step 5: Solve for x
    x = 785,818,013,380,194.25/25,921,159.20
  6. Step 6: Final answer
    x = 30,315,697.20

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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.