Home / 13,532,083.20-18,673,120.08-7,651,429.20

Finding the Fourth Proportional to 13,532,083.20, 18,673,120.08 and 7,651,429.20

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Solution

The fourth proportional to 13,532,083.20, 18,673,120.08 and 7,651,429.20 is: 10,558,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,083.20 : 18,673,120.08 = 7,651,429.20 : x
  2. Step 2: Convert to fraction form
    13,532,083.20/18,673,120.08 = 7,651,429.20/x
  3. Step 3: Cross multiply
    13,532,083.20x = 18,673,120.08 × 7,651,429.20
  4. Step 4: Simplify right side
    13,532,083.20x = 142,876,056,235,218.31
  5. Step 5: Solve for x
    x = 142,876,056,235,218.31/13,532,083.20
  6. Step 6: Final answer
    x = 10,558,319.38

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1.5x scale

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.