Home / 13,671,792.32-20,520,015.04-7,287,362.24

Finding the Fourth Proportional to 13,671,792.32, 20,520,015.04 and 7,287,362.24

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Solution

The fourth proportional to 13,671,792.32, 20,520,015.04 and 7,287,362.24 is: 10,937,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,792.32 : 20,520,015.04 = 7,287,362.24 : x
  2. Step 2: Convert to fraction form
    13,671,792.32/20,520,015.04 = 7,287,362.24/x
  3. Step 3: Cross multiply
    13,671,792.32x = 20,520,015.04 × 7,287,362.24
  4. Step 4: Simplify right side
    13,671,792.32x = 149,536,782,766,728.09
  5. Step 5: Solve for x
    x = 149,536,782,766,728.09/13,671,792.32
  6. Step 6: Final answer
    x = 10,937,613.68

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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.