Home / 13,063,449.57-18,028,175.66-7,262,328.20

Finding the Fourth Proportional to 13,063,449.57, 18,028,175.66 and 7,262,328.20

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Solution

The fourth proportional to 13,063,449.57, 18,028,175.66 and 7,262,328.20 is: 10,022,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063,449.57 : 18,028,175.66 = 7,262,328.20 : x
  2. Step 2: Convert to fraction form
    13,063,449.57/18,028,175.66 = 7,262,328.20/x
  3. Step 3: Cross multiply
    13,063,449.57x = 18,028,175.66 × 7,262,328.20
  4. Step 4: Simplify right side
    13,063,449.57x = 130,926,528,363,719.11
  5. Step 5: Solve for x
    x = 130,926,528,363,719.11/13,063,449.57
  6. Step 6: Final answer
    x = 10,022,354.94

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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.