Home / 38,676,568.50-53,374,674.33-21,273,370.20

Finding the Fourth Proportional to 38,676,568.50, 53,374,674.33 and 21,273,370.20

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Solution

The fourth proportional to 38,676,568.50, 53,374,674.33 and 21,273,370.20 is: 29,357,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,568.50 : 53,374,674.33 = 21,273,370.20 : x
  2. Step 2: Convert to fraction form
    38,676,568.50/53,374,674.33 = 21,273,370.20/x
  3. Step 3: Cross multiply
    38,676,568.50x = 53,374,674.33 × 21,273,370.20
  4. Step 4: Simplify right side
    38,676,568.50x = 1,135,459,206,326,527
  5. Step 5: Solve for x
    x = 1,135,459,206,326,527/38,676,568.50
  6. Step 6: Final answer
    x = 29,357,806.30

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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.