Home / 30,947,682.96-42,708,764.80-17,008,787.43

Finding the Fourth Proportional to 30,947,682.96, 42,708,764.80 and 17,008,787.43

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Solution

The fourth proportional to 30,947,682.96, 42,708,764.80 and 17,008,787.43 is: 23,472,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947,682.96 : 42,708,764.80 = 17,008,787.43 : x
  2. Step 2: Convert to fraction form
    30,947,682.96/42,708,764.80 = 17,008,787.43/x
  3. Step 3: Cross multiply
    30,947,682.96x = 42,708,764.80 × 17,008,787.43
  4. Step 4: Simplify right side
    30,947,682.96x = 726,424,301,902,327.50
  5. Step 5: Solve for x
    x = 726,424,301,902,327.50/30,947,682.96
  6. Step 6: Final answer
    x = 23,472,655.54

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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.