Home / 9,515,999.52-13,132,092.60-5,165,086.77

Finding the Fourth Proportional to 9,515,999.52, 13,132,092.60 and 5,165,086.77

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Solution

The fourth proportional to 9,515,999.52, 13,132,092.60 and 5,165,086.77 is: 7,127,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,999.52 : 13,132,092.60 = 5,165,086.77 : x
  2. Step 2: Convert to fraction form
    9,515,999.52/13,132,092.60 = 5,165,086.77/x
  3. Step 3: Cross multiply
    9,515,999.52x = 13,132,092.60 × 5,165,086.77
  4. Step 4: Simplify right side
    9,515,999.52x = 67,828,397,750,674.89
  5. Step 5: Solve for x
    x = 67,828,397,750,674.89/9,515,999.52
  6. Step 6: Final answer
    x = 7,127,826.94

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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.