Home / 38,930,672.70-58,396,009.05-18,775,280.70

Finding the Fourth Proportional to 38,930,672.70, 58,396,009.05 and 18,775,280.70

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Solution

The fourth proportional to 38,930,672.70, 58,396,009.05 and 18,775,280.70 is: 28,162,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930,672.70 : 58,396,009.05 = 18,775,280.70 : x
  2. Step 2: Convert to fraction form
    38,930,672.70/58,396,009.05 = 18,775,280.70/x
  3. Step 3: Cross multiply
    38,930,672.70x = 58,396,009.05 × 18,775,280.70
  4. Step 4: Simplify right side
    38,930,672.70x = 1,096,401,461,673,490.25
  5. Step 5: Solve for x
    x = 1,096,401,461,673,490.25/38,930,672.70
  6. Step 6: Final answer
    x = 28,162,921.05

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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.