Home / 20,548,020.07-28,352,935.56-12,291,494.05

Finding the Fourth Proportional to 20,548,020.07, 28,352,935.56 and 12,291,494.05

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Solution

The fourth proportional to 20,548,020.07, 28,352,935.56 and 12,291,494.05 is: 16,960,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,020.07 : 28,352,935.56 = 12,291,494.05 : x
  2. Step 2: Convert to fraction form
    20,548,020.07/28,352,935.56 = 12,291,494.05/x
  3. Step 3: Cross multiply
    20,548,020.07x = 28,352,935.56 × 12,291,494.05
  4. Step 4: Simplify right side
    20,548,020.07x = 348,499,938,664,891.06
  5. Step 5: Solve for x
    x = 348,499,938,664,891.06/20,548,020.07
  6. Step 6: Final answer
    x = 16,960,268.56

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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.