Home / 18,556,707.79-27,834,156.33-6,887,349.84

Finding the Fourth Proportional to 18,556,707.79, 27,834,156.33 and 6,887,349.84

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Solution

The fourth proportional to 18,556,707.79, 27,834,156.33 and 6,887,349.84 is: 10,330,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556,707.79 : 27,834,156.33 = 6,887,349.84 : x
  2. Step 2: Convert to fraction form
    18,556,707.79/27,834,156.33 = 6,887,349.84/x
  3. Step 3: Cross multiply
    18,556,707.79x = 27,834,156.33 × 6,887,349.84
  4. Step 4: Simplify right side
    18,556,707.79x = 191,703,572,145,960.47
  5. Step 5: Solve for x
    x = 191,703,572,145,960.47/18,556,707.79
  6. Step 6: Final answer
    x = 10,330,688.74

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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.