Home / 20,708,447.42-31,062,671.14-6,331,515.24

Finding the Fourth Proportional to 20,708,447.42, 31,062,671.14 and 6,331,515.24

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Solution

The fourth proportional to 20,708,447.42, 31,062,671.14 and 6,331,515.24 is: 9,497,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708,447.42 : 31,062,671.14 = 6,331,515.24 : x
  2. Step 2: Convert to fraction form
    20,708,447.42/31,062,671.14 = 6,331,515.24/x
  3. Step 3: Cross multiply
    20,708,447.42x = 31,062,671.14 × 6,331,515.24
  4. Step 4: Simplify right side
    20,708,447.42x = 196,673,775,718,018.19
  5. Step 5: Solve for x
    x = 196,673,775,718,018.19/20,708,447.42
  6. Step 6: Final answer
    x = 9,497,272.86

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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.