Home / 7,215,087.15-9,956,818.08-3,952,105.02

Finding the Fourth Proportional to 7,215,087.15, 9,956,818.08 and 3,952,105.02

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Solution

The fourth proportional to 7,215,087.15, 9,956,818.08 and 3,952,105.02 is: 5,453,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,087.15 : 9,956,818.08 = 3,952,105.02 : x
  2. Step 2: Convert to fraction form
    7,215,087.15/9,956,818.08 = 3,952,105.02/x
  3. Step 3: Cross multiply
    7,215,087.15x = 9,956,818.08 × 3,952,105.02
  4. Step 4: Simplify right side
    7,215,087.15x = 39,350,390,717,194.77
  5. Step 5: Solve for x
    x = 39,350,390,717,194.77/7,215,087.15
  6. Step 6: Final answer
    x = 5,453,903.73

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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.