Home / 38,177,949.42-52,685,127.33-20,773,994.78

Finding the Fourth Proportional to 38,177,949.42, 52,685,127.33 and 20,773,994.78

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Solution

The fourth proportional to 38,177,949.42, 52,685,127.33 and 20,773,994.78 is: 28,667,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177,949.42 : 52,685,127.33 = 20,773,994.78 : x
  2. Step 2: Convert to fraction form
    38,177,949.42/52,685,127.33 = 20,773,994.78/x
  3. Step 3: Cross multiply
    38,177,949.42x = 52,685,127.33 × 20,773,994.78
  4. Step 4: Simplify right side
    38,177,949.42x = 1,094,480,560,137,055.38
  5. Step 5: Solve for x
    x = 1,094,480,560,137,055.38/38,177,949.42
  6. Step 6: Final answer
    x = 28,667,871.82

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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.