Home / 28,986,346.88-40,020,420.61-22,268,715.15

Finding the Fourth Proportional to 28,986,346.88, 40,020,420.61 and 22,268,715.15

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Solution

The fourth proportional to 28,986,346.88, 40,020,420.61 and 22,268,715.15 is: 30,745,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,346.88 : 40,020,420.61 = 22,268,715.15 : x
  2. Step 2: Convert to fraction form
    28,986,346.88/40,020,420.61 = 22,268,715.15/x
  3. Step 3: Cross multiply
    28,986,346.88x = 40,020,420.61 × 22,268,715.15
  4. Step 4: Simplify right side
    28,986,346.88x = 891,203,346,581,148.50
  5. Step 5: Solve for x
    x = 891,203,346,581,148.50/28,986,346.88
  6. Step 6: Final answer
    x = 30,745,624.84

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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.