Home / 7,818,282.72-11,673,947.40-7,003,406.52

Finding the Fourth Proportional to 7,818,282.72, 11,673,947.40 and 7,003,406.52

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Solution

The fourth proportional to 7,818,282.72, 11,673,947.40 and 7,003,406.52 is: 10,457,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,282.72 : 11,673,947.40 = 7,003,406.52 : x
  2. Step 2: Convert to fraction form
    7,818,282.72/11,673,947.40 = 7,003,406.52/x
  3. Step 3: Cross multiply
    7,818,282.72x = 11,673,947.40 × 7,003,406.52
  4. Step 4: Simplify right side
    7,818,282.72x = 81,757,399,335,297.05
  5. Step 5: Solve for x
    x = 81,757,399,335,297.05/7,818,282.72
  6. Step 6: Final answer
    x = 10,457,206.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.