Home / 15,255,257.04-21,052,409.20-8,286,070.67

Finding the Fourth Proportional to 15,255,257.04, 21,052,409.20 and 8,286,070.67

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Solution

The fourth proportional to 15,255,257.04, 21,052,409.20 and 8,286,070.67 is: 11,434,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255,257.04 : 21,052,409.20 = 8,286,070.67 : x
  2. Step 2: Convert to fraction form
    15,255,257.04/21,052,409.20 = 8,286,070.67/x
  3. Step 3: Cross multiply
    15,255,257.04x = 21,052,409.20 × 8,286,070.67
  4. Step 4: Simplify right side
    15,255,257.04x = 174,441,750,299,696.12
  5. Step 5: Solve for x
    x = 174,441,750,299,696.12/15,255,257.04
  6. Step 6: Final answer
    x = 11,434,861.43

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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.