Home / 30,871,295.48-42,602,449.30-16,932,764.46

Finding the Fourth Proportional to 30,871,295.48, 42,602,449.30 and 16,932,764.46

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Solution

The fourth proportional to 30,871,295.48, 42,602,449.30 and 16,932,764.46 is: 23,367,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,295.48 : 42,602,449.30 = 16,932,764.46 : x
  2. Step 2: Convert to fraction form
    30,871,295.48/42,602,449.30 = 16,932,764.46/x
  3. Step 3: Cross multiply
    30,871,295.48x = 42,602,449.30 × 16,932,764.46
  4. Step 4: Simplify right side
    30,871,295.48x = 721,377,239,415,991.88
  5. Step 5: Solve for x
    x = 721,377,239,415,991.88/30,871,295.48
  6. Step 6: Final answer
    x = 23,367,248.71

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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.