Home / 7,381,352.40-11,072,028.60-7,281,819.60

Finding the Fourth Proportional to 7,381,352.40, 11,072,028.60 and 7,281,819.60

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Solution

The fourth proportional to 7,381,352.40, 11,072,028.60 and 7,281,819.60 is: 10,922,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,352.40 : 11,072,028.60 = 7,281,819.60 : x
  2. Step 2: Convert to fraction form
    7,381,352.40/11,072,028.60 = 7,281,819.60/x
  3. Step 3: Cross multiply
    7,381,352.40x = 11,072,028.60 × 7,281,819.60
  4. Step 4: Simplify right side
    7,381,352.40x = 80,624,514,871,240.55
  5. Step 5: Solve for x
    x = 80,624,514,871,240.55/7,381,352.40
  6. Step 6: Final answer
    x = 10,922,729.40

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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.