Home / 30,832,341.50-46,244,912.20-12,387,539.84

Finding the Fourth Proportional to 30,832,341.50, 46,244,912.20 and 12,387,539.84

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Solution

The fourth proportional to 30,832,341.50, 46,244,912.20 and 12,387,539.84 is: 18,579,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832,341.50 : 46,244,912.20 = 12,387,539.84 : x
  2. Step 2: Convert to fraction form
    30,832,341.50/46,244,912.20 = 12,387,539.84/x
  3. Step 3: Cross multiply
    30,832,341.50x = 46,244,912.20 × 12,387,539.84
  4. Step 4: Simplify right side
    30,832,341.50x = 572,860,692,012,608.62
  5. Step 5: Solve for x
    x = 572,860,692,012,608.62/30,832,341.50
  6. Step 6: Final answer
    x = 18,579,863.35

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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.