Home / 14,229,206.78-21,331,849.70-11,526,830.42

Finding the Fourth Proportional to 14,229,206.78, 21,331,849.70 and 11,526,830.42

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Solution

The fourth proportional to 14,229,206.78, 21,331,849.70 and 11,526,830.42 is: 17,280,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,206.78 : 21,331,849.70 = 11,526,830.42 : x
  2. Step 2: Convert to fraction form
    14,229,206.78/21,331,849.70 = 11,526,830.42/x
  3. Step 3: Cross multiply
    14,229,206.78x = 21,331,849.70 × 11,526,830.42
  4. Step 4: Simplify right side
    14,229,206.78x = 245,888,613,958,985.69
  5. Step 5: Solve for x
    x = 245,888,613,958,985.69/14,229,206.78
  6. Step 6: Final answer
    x = 17,280,556.66

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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.