Home / 23,177,438.20-34,781,903.70-12,942,278.20

Finding the Fourth Proportional to 23,177,438.20, 34,781,903.70 and 12,942,278.20

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Solution

The fourth proportional to 23,177,438.20, 34,781,903.70 and 12,942,278.20 is: 19,422,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177,438.20 : 34,781,903.70 = 12,942,278.20 : x
  2. Step 2: Convert to fraction form
    23,177,438.20/34,781,903.70 = 12,942,278.20/x
  3. Step 3: Cross multiply
    23,177,438.20x = 34,781,903.70 × 12,942,278.20
  4. Step 4: Simplify right side
    23,177,438.20x = 450,157,074,011,009.38
  5. Step 5: Solve for x
    x = 450,157,074,011,009.38/23,177,438.20
  6. Step 6: Final answer
    x = 19,422,210.09

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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.