Home / 13,384,330.10-18,470,486.24-7,272,758.60

Finding the Fourth Proportional to 13,384,330.10, 18,470,486.24 and 7,272,758.60

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Solution

The fourth proportional to 13,384,330.10, 18,470,486.24 and 7,272,758.60 is: 10,036,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,330.10 : 18,470,486.24 = 7,272,758.60 : x
  2. Step 2: Convert to fraction form
    13,384,330.10/18,470,486.24 = 7,272,758.60/x
  3. Step 3: Cross multiply
    13,384,330.10x = 18,470,486.24 × 7,272,758.60
  4. Step 4: Simplify right side
    13,384,330.10x = 134,331,387,648,141.64
  5. Step 5: Solve for x
    x = 134,331,387,648,141.64/13,384,330.10
  6. Step 6: Final answer
    x = 10,036,467.02

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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.