Home / 12,112,851.66-16,715,273.34-6,680,343.66

Finding the Fourth Proportional to 12,112,851.66, 16,715,273.34 and 6,680,343.66

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Solution

The fourth proportional to 12,112,851.66, 16,715,273.34 and 6,680,343.66 is: 9,218,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,851.66 : 16,715,273.34 = 6,680,343.66 : x
  2. Step 2: Convert to fraction form
    12,112,851.66/16,715,273.34 = 6,680,343.66/x
  3. Step 3: Cross multiply
    12,112,851.66x = 16,715,273.34 × 6,680,343.66
  4. Step 4: Simplify right side
    12,112,851.66x = 111,663,770,282,036.03
  5. Step 5: Solve for x
    x = 111,663,770,282,036.03/12,112,851.66
  6. Step 6: Final answer
    x = 9,218,619.48

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1.5x scale

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.