Home / 16,770,310.66-23,142,889.60-9,428,176.53

Finding the Fourth Proportional to 16,770,310.66, 23,142,889.60 and 9,428,176.53

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Solution

The fourth proportional to 16,770,310.66, 23,142,889.60 and 9,428,176.53 is: 13,010,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,310.66 : 23,142,889.60 = 9,428,176.53 : x
  2. Step 2: Convert to fraction form
    16,770,310.66/23,142,889.60 = 9,428,176.53/x
  3. Step 3: Cross multiply
    16,770,310.66x = 23,142,889.60 × 9,428,176.53
  4. Step 4: Simplify right side
    16,770,310.66x = 218,195,248,563,101.09
  5. Step 5: Solve for x
    x = 218,195,248,563,101.09/16,770,310.66
  6. Step 6: Final answer
    x = 13,010,805.40

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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.