Home / 30,328,481.90-45,492,722.85-16,865,309.90

Finding the Fourth Proportional to 30,328,481.90, 45,492,722.85 and 16,865,309.90

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Solution

The fourth proportional to 30,328,481.90, 45,492,722.85 and 16,865,309.90 is: 25,297,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,481.90 : 45,492,722.85 = 16,865,309.90 : x
  2. Step 2: Convert to fraction form
    30,328,481.90/45,492,722.85 = 16,865,309.90/x
  3. Step 3: Cross multiply
    30,328,481.90x = 45,492,722.85 × 16,865,309.90
  4. Step 4: Simplify right side
    30,328,481.90x = 767,248,869,060,061.12
  5. Step 5: Solve for x
    x = 767,248,869,060,061.12/30,328,481.90
  6. Step 6: Final answer
    x = 25,297,964.85

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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.