Home / 9,628,965.06-13,280,223.72-8,464,922.43

Finding the Fourth Proportional to 9,628,965.06, 13,280,223.72 and 8,464,922.43

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Solution

The fourth proportional to 9,628,965.06, 13,280,223.72 and 8,464,922.43 is: 11,674,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,965.06 : 13,280,223.72 = 8,464,922.43 : x
  2. Step 2: Convert to fraction form
    9,628,965.06/13,280,223.72 = 8,464,922.43/x
  3. Step 3: Cross multiply
    9,628,965.06x = 13,280,223.72 × 8,464,922.43
  4. Step 4: Simplify right side
    9,628,965.06x = 112,416,063,642,846.05
  5. Step 5: Solve for x
    x = 112,416,063,642,846.05/9,628,965.06
  6. Step 6: Final answer
    x = 11,674,781.55

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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.