Home / 20,916,427.10-31,374,640.65-5,770,334.30

Finding the Fourth Proportional to 20,916,427.10, 31,374,640.65 and 5,770,334.30

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Solution

The fourth proportional to 20,916,427.10, 31,374,640.65 and 5,770,334.30 is: 8,655,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,916,427.10 : 31,374,640.65 = 5,770,334.30 : x
  2. Step 2: Convert to fraction form
    20,916,427.10/31,374,640.65 = 5,770,334.30/x
  3. Step 3: Cross multiply
    20,916,427.10x = 31,374,640.65 × 5,770,334.30
  4. Step 4: Simplify right side
    20,916,427.10x = 181,042,165,092,869.28
  5. Step 5: Solve for x
    x = 181,042,165,092,869.28/20,916,427.10
  6. Step 6: Final answer
    x = 8,655,501.45

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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.