Home / 27,592,561.78-38,078,910.21-15,369,415.54

Finding the Fourth Proportional to 27,592,561.78, 38,078,910.21 and 15,369,415.54

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Solution

The fourth proportional to 27,592,561.78, 38,078,910.21 and 15,369,415.54 is: 21,210,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,592,561.78 : 38,078,910.21 = 15,369,415.54 : x
  2. Step 2: Convert to fraction form
    27,592,561.78/38,078,910.21 = 15,369,415.54/x
  3. Step 3: Cross multiply
    27,592,561.78x = 38,078,910.21 × 15,369,415.54
  4. Step 4: Simplify right side
    27,592,561.78x = 585,250,594,327,838.62
  5. Step 5: Solve for x
    x = 585,250,594,327,838.62/27,592,561.78
  6. Step 6: Final answer
    x = 21,210,447.91

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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.