Home / 20,594,827.13-28,420,861.43-11,428,944.89

Finding the Fourth Proportional to 20,594,827.13, 28,420,861.43 and 11,428,944.89

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Solution

The fourth proportional to 20,594,827.13, 28,420,861.43 and 11,428,944.89 is: 15,771,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,827.13 : 28,420,861.43 = 11,428,944.89 : x
  2. Step 2: Convert to fraction form
    20,594,827.13/28,420,861.43 = 11,428,944.89/x
  3. Step 3: Cross multiply
    20,594,827.13x = 28,420,861.43 × 11,428,944.89
  4. Step 4: Simplify right side
    20,594,827.13x = 324,820,458,896,264.62
  5. Step 5: Solve for x
    x = 324,820,458,896,264.62/20,594,827.13
  6. Step 6: Final answer
    x = 15,771,943.94

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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.