Home / 39,947,427.48-55,127,431.26-22,547,422.20

Finding the Fourth Proportional to 39,947,427.48, 55,127,431.26 and 22,547,422.20

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Solution

The fourth proportional to 39,947,427.48, 55,127,431.26 and 22,547,422.20 is: 31,115,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947,427.48 : 55,127,431.26 = 22,547,422.20 : x
  2. Step 2: Convert to fraction form
    39,947,427.48/55,127,431.26 = 22,547,422.20/x
  3. Step 3: Cross multiply
    39,947,427.48x = 55,127,431.26 × 22,547,422.20
  4. Step 4: Simplify right side
    39,947,427.48x = 1,242,981,467,420,698
  5. Step 5: Solve for x
    x = 1,242,981,467,420,698/39,947,427.48
  6. Step 6: Final answer
    x = 31,115,432.10

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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.