Home / 28,986,347.38-40,020,421.30-22,268,715.65

Finding the Fourth Proportional to 28,986,347.38, 40,020,421.30 and 22,268,715.65

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Solution

The fourth proportional to 28,986,347.38, 40,020,421.30 and 22,268,715.65 is: 30,745,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,347.38 : 40,020,421.30 = 22,268,715.65 : x
  2. Step 2: Convert to fraction form
    28,986,347.38/40,020,421.30 = 22,268,715.65/x
  3. Step 3: Cross multiply
    28,986,347.38x = 40,020,421.30 × 22,268,715.65
  4. Step 4: Simplify right side
    28,986,347.38x = 891,203,381,922,801.12
  5. Step 5: Solve for x
    x = 891,203,381,922,801.12/28,986,347.38
  6. Step 6: Final answer
    x = 30,745,625.53

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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.