Home / 8,968,018.80-13,452,028.20-8,472,007.20

Finding the Fourth Proportional to 8,968,018.80, 13,452,028.20 and 8,472,007.20

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Solution

The fourth proportional to 8,968,018.80, 13,452,028.20 and 8,472,007.20 is: 12,708,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,018.80 : 13,452,028.20 = 8,472,007.20 : x
  2. Step 2: Convert to fraction form
    8,968,018.80/13,452,028.20 = 8,472,007.20/x
  3. Step 3: Cross multiply
    8,968,018.80x = 13,452,028.20 × 8,472,007.20
  4. Step 4: Simplify right side
    8,968,018.80x = 113,965,679,765,003.03
  5. Step 5: Solve for x
    x = 113,965,679,765,003.03/8,968,018.80
  6. Step 6: Final answer
    x = 12,708,010.80

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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.