Home / 10,388,165.40-15,582,515.40-4,921,977.60

Finding the Fourth Proportional to 10,388,165.40, 15,582,515.40 and 4,921,977.60

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Solution

The fourth proportional to 10,388,165.40, 15,582,515.40 and 4,921,977.60 is: 7,383,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,165.40 : 15,582,515.40 = 4,921,977.60 : x
  2. Step 2: Convert to fraction form
    10,388,165.40/15,582,515.40 = 4,921,977.60/x
  3. Step 3: Cross multiply
    10,388,165.40x = 15,582,515.40 × 4,921,977.60
  4. Step 4: Simplify right side
    10,388,165.40x = 76,696,791,750,455.03
  5. Step 5: Solve for x
    x = 76,696,791,750,455.03/10,388,165.40
  6. Step 6: Final answer
    x = 7,383,093.05

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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.