Home / 31,516,822.08-43,513,453.26-19,772,189.82

Finding the Fourth Proportional to 31,516,822.08, 43,513,453.26 and 19,772,189.82

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Solution

The fourth proportional to 31,516,822.08, 43,513,453.26 and 19,772,189.82 is: 27,298,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516,822.08 : 43,513,453.26 = 19,772,189.82 : x
  2. Step 2: Convert to fraction form
    31,516,822.08/43,513,453.26 = 19,772,189.82/x
  3. Step 3: Cross multiply
    31,516,822.08x = 43,513,453.26 × 19,772,189.82
  4. Step 4: Simplify right side
    31,516,822.08x = 860,356,257,580,417.75
  5. Step 5: Solve for x
    x = 860,356,257,580,417.75/31,516,822.08
  6. Step 6: Final answer
    x = 27,298,318.83

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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.