Home / 30,807,739.66-42,515,826.87-17,579,070.22

Finding the Fourth Proportional to 30,807,739.66, 42,515,826.87 and 17,579,070.22

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Solution

The fourth proportional to 30,807,739.66, 42,515,826.87 and 17,579,070.22 is: 24,259,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,739.66 : 42,515,826.87 = 17,579,070.22 : x
  2. Step 2: Convert to fraction form
    30,807,739.66/42,515,826.87 = 17,579,070.22/x
  3. Step 3: Cross multiply
    30,807,739.66x = 42,515,826.87 × 17,579,070.22
  4. Step 4: Simplify right side
    30,807,739.66x = 747,388,706,009,092.75
  5. Step 5: Solve for x
    x = 747,388,706,009,092.75/30,807,739.66
  6. Step 6: Final answer
    x = 24,259,770.90

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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.