Home / 30,328,524.90-45,492,787.35-18,849,399.30

Finding the Fourth Proportional to 30,328,524.90, 45,492,787.35 and 18,849,399.30

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Solution

The fourth proportional to 30,328,524.90, 45,492,787.35 and 18,849,399.30 is: 28,274,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,524.90 : 45,492,787.35 = 18,849,399.30 : x
  2. Step 2: Convert to fraction form
    30,328,524.90/45,492,787.35 = 18,849,399.30/x
  3. Step 3: Cross multiply
    30,328,524.90x = 45,492,787.35 × 18,849,399.30
  4. Step 4: Simplify right side
    30,328,524.90x = 857,511,714,030,138.88
  5. Step 5: Solve for x
    x = 857,511,714,030,138.88/30,328,524.90
  6. Step 6: Final answer
    x = 28,274,098.95

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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.