Home / 38,617,138.40-57,908,600.40-13,051,205.60

Finding the Fourth Proportional to 38,617,138.40, 57,908,600.40 and 13,051,205.60

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Solution

The fourth proportional to 38,617,138.40, 57,908,600.40 and 13,051,205.60 is: 19,571,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,617,138.40 : 57,908,600.40 = 13,051,205.60 : x
  2. Step 2: Convert to fraction form
    38,617,138.40/57,908,600.40 = 13,051,205.60/x
  3. Step 3: Cross multiply
    38,617,138.40x = 57,908,600.40 × 13,051,205.60
  4. Step 4: Simplify right side
    38,617,138.40x = 755,777,049,828,642.25
  5. Step 5: Solve for x
    x = 755,777,049,828,642.25/38,617,138.40
  6. Step 6: Final answer
    x = 19,571,026.78

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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.