Home / 30,734,780.67-42,414,012.45-16,983,744.80

Finding the Fourth Proportional to 30,734,780.67, 42,414,012.45 and 16,983,744.80

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Solution

The fourth proportional to 30,734,780.67, 42,414,012.45 and 16,983,744.80 is: 23,437,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734,780.67 : 42,414,012.45 = 16,983,744.80 : x
  2. Step 2: Convert to fraction form
    30,734,780.67/42,414,012.45 = 16,983,744.80/x
  3. Step 3: Cross multiply
    30,734,780.67x = 42,414,012.45 × 16,983,744.80
  4. Step 4: Simplify right side
    30,734,780.67x = 720,348,763,182,752.88
  5. Step 5: Solve for x
    x = 720,348,763,182,752.88/30,734,780.67
  6. Step 6: Final answer
    x = 23,437,576.18

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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.