Home / 13,663,238.20-18,855,252.72-7,468,325.60

Finding the Fourth Proportional to 13,663,238.20, 18,855,252.72 and 7,468,325.60

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Solution

The fourth proportional to 13,663,238.20, 18,855,252.72 and 7,468,325.60 is: 10,306,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,238.20 : 18,855,252.72 = 7,468,325.60 : x
  2. Step 2: Convert to fraction form
    13,663,238.20/18,855,252.72 = 7,468,325.60/x
  3. Step 3: Cross multiply
    13,663,238.20x = 18,855,252.72 × 7,468,325.60
  4. Step 4: Simplify right side
    13,663,238.20x = 140,817,166,488,969.34
  5. Step 5: Solve for x
    x = 140,817,166,488,969.34/13,663,238.20
  6. Step 6: Final answer
    x = 10,306,280.58

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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.