Home / 20,615,167.40-30,922,844.90-6,968,386.84

Finding the Fourth Proportional to 20,615,167.40, 30,922,844.90 and 6,968,386.84

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Solution

The fourth proportional to 20,615,167.40, 30,922,844.90 and 6,968,386.84 is: 10,452,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,167.40 : 30,922,844.90 = 6,968,386.84 : x
  2. Step 2: Convert to fraction form
    20,615,167.40/30,922,844.90 = 6,968,386.84/x
  3. Step 3: Cross multiply
    20,615,167.40x = 30,922,844.90 × 6,968,386.84
  4. Step 4: Simplify right side
    20,615,167.40x = 215,482,345,557,926.66
  5. Step 5: Solve for x
    x = 215,482,345,557,926.66/20,615,167.40
  6. Step 6: Final answer
    x = 10,452,611.97

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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.