Home / 19,659,124.56-27,129,717.60-10,957,848.72

Finding the Fourth Proportional to 19,659,124.56, 27,129,717.60 and 10,957,848.72

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Solution

The fourth proportional to 19,659,124.56, 27,129,717.60 and 10,957,848.72 is: 15,121,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,124.56 : 27,129,717.60 = 10,957,848.72 : x
  2. Step 2: Convert to fraction form
    19,659,124.56/27,129,717.60 = 10,957,848.72/x
  3. Step 3: Cross multiply
    19,659,124.56x = 27,129,717.60 × 10,957,848.72
  4. Step 4: Simplify right side
    19,659,124.56x = 297,283,341,277,121.50
  5. Step 5: Solve for x
    x = 297,283,341,277,121.50/19,659,124.56
  6. Step 6: Final answer
    x = 15,121,901.30

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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.