Home / 9,518,105.64-13,136,663.46-5,388,372.60

Finding the Fourth Proportional to 9,518,105.64, 13,136,663.46 and 5,388,372.60

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Solution

The fourth proportional to 9,518,105.64, 13,136,663.46 and 5,388,372.60 is: 7,436,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518,105.64 : 13,136,663.46 = 5,388,372.60 : x
  2. Step 2: Convert to fraction form
    9,518,105.64/13,136,663.46 = 5,388,372.60/x
  3. Step 3: Cross multiply
    9,518,105.64x = 13,136,663.46 × 5,388,372.60
  4. Step 4: Simplify right side
    9,518,105.64x = 70,785,237,443,285.20
  5. Step 5: Solve for x
    x = 70,785,237,443,285.20/9,518,105.64
  6. Step 6: Final answer
    x = 7,436,903.95

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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.