Home / 38,664,271.74-53,354,868.40-21,261,350.46

Finding the Fourth Proportional to 38,664,271.74, 53,354,868.40 and 21,261,350.46

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Solution

The fourth proportional to 38,664,271.74, 53,354,868.40 and 21,261,350.46 is: 29,339,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664,271.74 : 53,354,868.40 = 21,261,350.46 : x
  2. Step 2: Convert to fraction form
    38,664,271.74/53,354,868.40 = 21,261,350.46/x
  3. Step 3: Cross multiply
    38,664,271.74x = 53,354,868.40 × 21,261,350.46
  4. Step 4: Simplify right side
    38,664,271.74x = 1,134,396,555,799,579.50
  5. Step 5: Solve for x
    x = 1,134,396,555,799,579.50/38,664,271.74
  6. Step 6: Final answer
    x = 29,339,659.19

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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.