Home / 41,220,673.77-61,832,998.95-13,553,978.58

Finding the Fourth Proportional to 41,220,673.77, 61,832,998.95 and 13,553,978.58

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Solution

The fourth proportional to 41,220,673.77, 61,832,998.95 and 13,553,978.58 is: 20,331,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,220,673.77 : 61,832,998.95 = 13,553,978.58 : x
  2. Step 2: Convert to fraction form
    41,220,673.77/61,832,998.95 = 13,553,978.58/x
  3. Step 3: Cross multiply
    41,220,673.77x = 61,832,998.95 × 13,553,978.58
  4. Step 4: Simplify right side
    41,220,673.77x = 838,083,143,305,462.50
  5. Step 5: Solve for x
    x = 838,083,143,305,462.50/41,220,673.77
  6. Step 6: Final answer
    x = 20,331,621.65

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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.