Home / 12,651,440.28-18,973,399.96-5,364,792.48

Finding the Fourth Proportional to 12,651,440.28, 18,973,399.96 and 5,364,792.48

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Solution

The fourth proportional to 12,651,440.28, 18,973,399.96 and 5,364,792.48 is: 8,045,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,440.28 : 18,973,399.96 = 5,364,792.48 : x
  2. Step 2: Convert to fraction form
    12,651,440.28/18,973,399.96 = 5,364,792.48/x
  3. Step 3: Cross multiply
    12,651,440.28x = 18,973,399.96 × 5,364,792.48
  4. Step 4: Simplify right side
    12,651,440.28x = 101,788,353,425,440.31
  5. Step 5: Solve for x
    x = 101,788,353,425,440.31/12,651,440.28
  6. Step 6: Final answer
    x = 8,045,594.11

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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.