Home / 8,685,320.90-13,021,682.79-5,838,371.78

Finding the Fourth Proportional to 8,685,320.90, 13,021,682.79 and 5,838,371.78

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Solution

The fourth proportional to 8,685,320.90, 13,021,682.79 and 5,838,371.78 is: 8,753,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,320.90 : 13,021,682.79 = 5,838,371.78 : x
  2. Step 2: Convert to fraction form
    8,685,320.90/13,021,682.79 = 5,838,371.78/x
  3. Step 3: Cross multiply
    8,685,320.90x = 13,021,682.79 × 5,838,371.78
  4. Step 4: Simplify right side
    8,685,320.90x = 76,025,425,329,247.67
  5. Step 5: Solve for x
    x = 76,025,425,329,247.67/8,685,320.90
  6. Step 6: Final answer
    x = 8,753,323.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.