Home / 27,777,315.04-38,332,279.58-15,387,371.37

Finding the Fourth Proportional to 27,777,315.04, 38,332,279.58 and 15,387,371.37

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Solution

The fourth proportional to 27,777,315.04, 38,332,279.58 and 15,387,371.37 is: 21,234,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777,315.04 : 38,332,279.58 = 15,387,371.37 : x
  2. Step 2: Convert to fraction form
    27,777,315.04/38,332,279.58 = 15,387,371.37/x
  3. Step 3: Cross multiply
    27,777,315.04x = 38,332,279.58 × 15,387,371.37
  4. Step 4: Simplify right side
    27,777,315.04x = 589,833,021,279,190.75
  5. Step 5: Solve for x
    x = 589,833,021,279,190.75/27,777,315.04
  6. Step 6: Final answer
    x = 21,234,342.50

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1.5x scale

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.