Home / 7,928,053.20-10,942,455.24-5,212,051.92

Finding the Fourth Proportional to 7,928,053.20, 10,942,455.24 and 5,212,051.92

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Solution

The fourth proportional to 7,928,053.20, 10,942,455.24 and 5,212,051.92 is: 7,193,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,053.20 : 10,942,455.24 = 5,212,051.92 : x
  2. Step 2: Convert to fraction form
    7,928,053.20/10,942,455.24 = 5,212,051.92/x
  3. Step 3: Cross multiply
    7,928,053.20x = 10,942,455.24 × 5,212,051.92
  4. Step 4: Simplify right side
    7,928,053.20x = 57,032,644,843,156.06
  5. Step 5: Solve for x
    x = 57,032,644,843,156.06/7,928,053.20
  6. Step 6: Final answer
    x = 7,193,776.76

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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.