Home / 38,521,410.30-57,790,669.05-12,961,698.30

Finding the Fourth Proportional to 38,521,410.30, 57,790,669.05 and 12,961,698.30

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Solution

The fourth proportional to 38,521,410.30, 57,790,669.05 and 12,961,698.30 is: 19,445,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521,410.30 : 57,790,669.05 = 12,961,698.30 : x
  2. Step 2: Convert to fraction form
    38,521,410.30/57,790,669.05 = 12,961,698.30/x
  3. Step 3: Cross multiply
    38,521,410.30x = 57,790,669.05 × 12,961,698.30
  4. Step 4: Simplify right side
    38,521,410.30x = 749,065,216,781,247.62
  5. Step 5: Solve for x
    x = 749,065,216,781,247.62/38,521,410.30
  6. Step 6: Final answer
    x = 19,445,425.57

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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.