Home / 21,290,213.60-31,934,859.30-5,937,093.62

Finding the Fourth Proportional to 21,290,213.60, 31,934,859.30 and 5,937,093.62

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Solution

The fourth proportional to 21,290,213.60, 31,934,859.30 and 5,937,093.62 is: 8,905,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,213.60 : 31,934,859.30 = 5,937,093.62 : x
  2. Step 2: Convert to fraction form
    21,290,213.60/31,934,859.30 = 5,937,093.62/x
  3. Step 3: Cross multiply
    21,290,213.60x = 31,934,859.30 × 5,937,093.62
  4. Step 4: Simplify right side
    21,290,213.60x = 189,600,249,405,627.69
  5. Step 5: Solve for x
    x = 189,600,249,405,627.69/21,290,213.60
  6. Step 6: Final answer
    x = 8,905,511.85

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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.