Home / 21,065,680.56-31,595,293.80-6,686,884.56

Finding the Fourth Proportional to 21,065,680.56, 31,595,293.80 and 6,686,884.56

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Solution

The fourth proportional to 21,065,680.56, 31,595,293.80 and 6,686,884.56 is: 10,029,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065,680.56 : 31,595,293.80 = 6,686,884.56 : x
  2. Step 2: Convert to fraction form
    21,065,680.56/31,595,293.80 = 6,686,884.56/x
  3. Step 3: Cross multiply
    21,065,680.56x = 31,595,293.80 × 6,686,884.56
  4. Step 4: Simplify right side
    21,065,680.56x = 211,274,082,279,883.72
  5. Step 5: Solve for x
    x = 211,274,082,279,883.72/21,065,680.56
  6. Step 6: Final answer
    x = 10,029,302.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.