Home / 39,947,388.48-55,127,377.44-22,547,383.20

Finding the Fourth Proportional to 39,947,388.48, 55,127,377.44 and 22,547,383.20

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Solution

The fourth proportional to 39,947,388.48, 55,127,377.44 and 22,547,383.20 is: 31,115,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947,388.48 : 55,127,377.44 = 22,547,383.20 : x
  2. Step 2: Convert to fraction form
    39,947,388.48/55,127,377.44 = 22,547,383.20/x
  3. Step 3: Cross multiply
    39,947,388.48x = 55,127,377.44 × 22,547,383.20
  4. Step 4: Simplify right side
    39,947,388.48x = 1,242,978,103,950,715
  5. Step 5: Solve for x
    x = 1,242,978,103,950,715/39,947,388.48
  6. Step 6: Final answer
    x = 31,115,378.28

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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.