Home / 15,840,586.69-21,869,882.63-10,887,556.57

Finding the Fourth Proportional to 15,840,586.69, 21,869,882.63 and 10,887,556.57

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Solution

The fourth proportional to 15,840,586.69, 21,869,882.63 and 10,887,556.57 is: 15,031,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,586.69 : 21,869,882.63 = 10,887,556.57 : x
  2. Step 2: Convert to fraction form
    15,840,586.69/21,869,882.63 = 10,887,556.57/x
  3. Step 3: Cross multiply
    15,840,586.69x = 21,869,882.63 × 10,887,556.57
  4. Step 4: Simplify right side
    15,840,586.69x = 238,109,584,313,385.38
  5. Step 5: Solve for x
    x = 238,109,584,313,385.38/15,840,586.69
  6. Step 6: Final answer
    x = 15,031,613.98

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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.