Home / 7,536,105.40-11,287,569.30-5,280,028.60

Finding the Fourth Proportional to 7,536,105.40, 11,287,569.30 and 5,280,028.60

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Solution

The fourth proportional to 7,536,105.40, 11,287,569.30 and 5,280,028.60 is: 7,908,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536,105.40 : 11,287,569.30 = 5,280,028.60 : x
  2. Step 2: Convert to fraction form
    7,536,105.40/11,287,569.30 = 5,280,028.60/x
  3. Step 3: Cross multiply
    7,536,105.40x = 11,287,569.30 × 5,280,028.60
  4. Step 4: Simplify right side
    7,536,105.40x = 59,598,688,728,481.98
  5. Step 5: Solve for x
    x = 59,598,688,728,481.98/7,536,105.40
  6. Step 6: Final answer
    x = 7,908,420.27

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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.