Home / 27,529,103.05-37,989,404.65-15,139,196.34

Finding the Fourth Proportional to 27,529,103.05, 37,989,404.65 and 15,139,196.34

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Solution

The fourth proportional to 27,529,103.05, 37,989,404.65 and 15,139,196.34 is: 20,891,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529,103.05 : 37,989,404.65 = 15,139,196.34 : x
  2. Step 2: Convert to fraction form
    27,529,103.05/37,989,404.65 = 15,139,196.34/x
  3. Step 3: Cross multiply
    27,529,103.05x = 37,989,404.65 × 15,139,196.34
  4. Step 4: Simplify right side
    27,529,103.05x = 575,129,055,836,059
  5. Step 5: Solve for x
    x = 575,129,055,836,059/27,529,103.05
  6. Step 6: Final answer
    x = 20,891,674.35

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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.