Home / 17,613,287.80-26,419,931.70-12,810,830.20

Finding the Fourth Proportional to 17,613,287.80, 26,419,931.70 and 12,810,830.20

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Solution

The fourth proportional to 17,613,287.80, 26,419,931.70 and 12,810,830.20 is: 19,216,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,287.80 : 26,419,931.70 = 12,810,830.20 : x
  2. Step 2: Convert to fraction form
    17,613,287.80/26,419,931.70 = 12,810,830.20/x
  3. Step 3: Cross multiply
    17,613,287.80x = 26,419,931.70 × 12,810,830.20
  4. Step 4: Simplify right side
    17,613,287.80x = 338,461,258,904,297.31
  5. Step 5: Solve for x
    x = 338,461,258,904,297.31/17,613,287.80
  6. Step 6: Final answer
    x = 19,216,245.30

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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.