Home / 30,213,432.72-41,694,543.12-16,462,396.86

Finding the Fourth Proportional to 30,213,432.72, 41,694,543.12 and 16,462,396.86

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Solution

The fourth proportional to 30,213,432.72, 41,694,543.12 and 16,462,396.86 is: 22,718,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,432.72 : 41,694,543.12 = 16,462,396.86 : x
  2. Step 2: Convert to fraction form
    30,213,432.72/41,694,543.12 = 16,462,396.86/x
  3. Step 3: Cross multiply
    30,213,432.72x = 41,694,543.12 × 16,462,396.86
  4. Step 4: Simplify right side
    30,213,432.72x = 686,392,115,737,822.50
  5. Step 5: Solve for x
    x = 686,392,115,737,822.50/30,213,432.72
  6. Step 6: Final answer
    x = 22,718,110.92

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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.