Home / 38,325,411.78-57,445,264.31-20,131,529.14

Finding the Fourth Proportional to 38,325,411.78, 57,445,264.31 and 20,131,529.14

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Solution

The fourth proportional to 38,325,411.78, 57,445,264.31 and 20,131,529.14 is: 30,174,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325,411.78 : 57,445,264.31 = 20,131,529.14 : x
  2. Step 2: Convert to fraction form
    38,325,411.78/57,445,264.31 = 20,131,529.14/x
  3. Step 3: Cross multiply
    38,325,411.78x = 57,445,264.31 × 20,131,529.14
  4. Step 4: Simplify right side
    38,325,411.78x = 1,156,461,012,311,109.50
  5. Step 5: Solve for x
    x = 1,156,461,012,311,109.50/38,325,411.78
  6. Step 6: Final answer
    x = 30,174,783.75

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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.