Home / 22,559,556.42-31,132,281.36-12,771,889.44

Finding the Fourth Proportional to 22,559,556.42, 31,132,281.36 and 12,771,889.44

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Solution

The fourth proportional to 22,559,556.42, 31,132,281.36 and 12,771,889.44 is: 17,625,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559,556.42 : 31,132,281.36 = 12,771,889.44 : x
  2. Step 2: Convert to fraction form
    22,559,556.42/31,132,281.36 = 12,771,889.44/x
  3. Step 3: Cross multiply
    22,559,556.42x = 31,132,281.36 × 12,771,889.44
  4. Step 4: Simplify right side
    22,559,556.42x = 397,618,055,544,892.81
  5. Step 5: Solve for x
    x = 397,618,055,544,892.81/22,559,556.42
  6. Step 6: Final answer
    x = 17,625,260.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.