Home / 20,847,410.55-31,227,123.47-16,726,420.33

Finding the Fourth Proportional to 20,847,410.55, 31,227,123.47 and 16,726,420.33

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Solution

The fourth proportional to 20,847,410.55, 31,227,123.47 and 16,726,420.33 is: 25,054,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,410.55 : 31,227,123.47 = 16,726,420.33 : x
  2. Step 2: Convert to fraction form
    20,847,410.55/31,227,123.47 = 16,726,420.33/x
  3. Step 3: Cross multiply
    20,847,410.55x = 31,227,123.47 × 16,726,420.33
  4. Step 4: Simplify right side
    20,847,410.55x = 522,317,992,785,316.19
  5. Step 5: Solve for x
    x = 522,317,992,785,316.19/20,847,410.55
  6. Step 6: Final answer
    x = 25,054,334.28

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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.