Home / 38,639,325.87-53,323,548.48-21,236,287.95

Finding the Fourth Proportional to 38,639,325.87, 53,323,548.48 and 21,236,287.95

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Solution

The fourth proportional to 38,639,325.87, 53,323,548.48 and 21,236,287.95 is: 29,306,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,325.87 : 53,323,548.48 = 21,236,287.95 : x
  2. Step 2: Convert to fraction form
    38,639,325.87/53,323,548.48 = 21,236,287.95/x
  3. Step 3: Cross multiply
    38,639,325.87x = 53,323,548.48 × 21,236,287.95
  4. Step 4: Simplify right side
    38,639,325.87x = 1,132,394,230,037,064.75
  5. Step 5: Solve for x
    x = 1,132,394,230,037,064.75/38,639,325.87
  6. Step 6: Final answer
    x = 29,306,780.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.