Home / 28,986,354.86-40,020,431.61-22,268,723.13

Finding the Fourth Proportional to 28,986,354.86, 40,020,431.61 and 22,268,723.13

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Solution

The fourth proportional to 28,986,354.86, 40,020,431.61 and 22,268,723.13 is: 30,745,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,354.86 : 40,020,431.61 = 22,268,723.13 : x
  2. Step 2: Convert to fraction form
    28,986,354.86/40,020,431.61 = 22,268,723.13/x
  3. Step 3: Cross multiply
    28,986,354.86x = 40,020,431.61 × 22,268,723.13
  4. Step 4: Simplify right side
    28,986,354.86x = 891,203,911,066,190.12
  5. Step 5: Solve for x
    x = 891,203,911,066,190.12/28,986,354.86
  6. Step 6: Final answer
    x = 30,745,635.85

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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.