Home / 7,721,588.91-10,655,933.49-4,237,107.42

Finding the Fourth Proportional to 7,721,588.91, 10,655,933.49 and 4,237,107.42

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Solution

The fourth proportional to 7,721,588.91, 10,655,933.49 and 4,237,107.42 is: 5,847,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,588.91 : 10,655,933.49 = 4,237,107.42 : x
  2. Step 2: Convert to fraction form
    7,721,588.91/10,655,933.49 = 4,237,107.42/x
  3. Step 3: Cross multiply
    7,721,588.91x = 10,655,933.49 × 4,237,107.42
  4. Step 4: Simplify right side
    7,721,588.91x = 45,150,334,857,505.49
  5. Step 5: Solve for x
    x = 45,150,334,857,505.49/7,721,588.91
  6. Step 6: Final answer
    x = 5,847,285.50

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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.