Home / 18,556,709.79-27,834,159.33-6,887,351.84

Finding the Fourth Proportional to 18,556,709.79, 27,834,159.33 and 6,887,351.84

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Solution

The fourth proportional to 18,556,709.79, 27,834,159.33 and 6,887,351.84 is: 10,330,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556,709.79 : 27,834,159.33 = 6,887,351.84 : x
  2. Step 2: Convert to fraction form
    18,556,709.79/27,834,159.33 = 6,887,351.84/x
  3. Step 3: Cross multiply
    18,556,709.79x = 27,834,159.33 × 6,887,351.84
  4. Step 4: Simplify right side
    18,556,709.79x = 191,703,648,337,157.84
  5. Step 5: Solve for x
    x = 191,703,648,337,157.84/18,556,709.79
  6. Step 6: Final answer
    x = 10,330,691.73

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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.