Home / 10,752,801.60-16,129,202.40-7,169,620.80

Finding the Fourth Proportional to 10,752,801.60, 16,129,202.40 and 7,169,620.80

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Solution

The fourth proportional to 10,752,801.60, 16,129,202.40 and 7,169,620.80 is: 10,754,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,801.60 : 16,129,202.40 = 7,169,620.80 : x
  2. Step 2: Convert to fraction form
    10,752,801.60/16,129,202.40 = 7,169,620.80/x
  3. Step 3: Cross multiply
    10,752,801.60x = 16,129,202.40 × 7,169,620.80
  4. Step 4: Simplify right side
    10,752,801.60x = 115,640,265,014,449.92
  5. Step 5: Solve for x
    x = 115,640,265,014,449.92/10,752,801.60
  6. Step 6: Final answer
    x = 10,754,431.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.