Home / 12,455,864.40-18,683,796.60-6,716,301.60

Finding the Fourth Proportional to 12,455,864.40, 18,683,796.60 and 6,716,301.60

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Solution

The fourth proportional to 12,455,864.40, 18,683,796.60 and 6,716,301.60 is: 10,074,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,864.40 : 18,683,796.60 = 6,716,301.60 : x
  2. Step 2: Convert to fraction form
    12,455,864.40/18,683,796.60 = 6,716,301.60/x
  3. Step 3: Cross multiply
    12,455,864.40x = 18,683,796.60 × 6,716,301.60
  4. Step 4: Simplify right side
    12,455,864.40x = 125,486,012,998,654.56
  5. Step 5: Solve for x
    x = 125,486,012,998,654.56/12,455,864.40
  6. Step 6: Final answer
    x = 10,074,452.40

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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.