Home / 7,019,600.57-9,686,158.29-4,117,932.71

Finding the Fourth Proportional to 7,019,600.57, 9,686,158.29 and 4,117,932.71

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Solution

The fourth proportional to 7,019,600.57, 9,686,158.29 and 4,117,932.71 is: 5,682,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,600.57 : 9,686,158.29 = 4,117,932.71 : x
  2. Step 2: Convert to fraction form
    7,019,600.57/9,686,158.29 = 4,117,932.71/x
  3. Step 3: Cross multiply
    7,019,600.57x = 9,686,158.29 × 4,117,932.71
  4. Step 4: Simplify right side
    7,019,600.57x = 39,886,948,056,628.66
  5. Step 5: Solve for x
    x = 39,886,948,056,628.66/7,019,600.57
  6. Step 6: Final answer
    x = 5,682,224.74

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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.