Home / 14,011,906.80-21,017,860.20-10,185,531.60

Finding the Fourth Proportional to 14,011,906.80, 21,017,860.20 and 10,185,531.60

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Solution

The fourth proportional to 14,011,906.80, 21,017,860.20 and 10,185,531.60 is: 15,278,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,906.80 : 21,017,860.20 = 10,185,531.60 : x
  2. Step 2: Convert to fraction form
    14,011,906.80/21,017,860.20 = 10,185,531.60/x
  3. Step 3: Cross multiply
    14,011,906.80x = 21,017,860.20 × 10,185,531.60
  4. Step 4: Simplify right side
    14,011,906.80x = 214,078,079,231,482.31
  5. Step 5: Solve for x
    x = 214,078,079,231,482.31/14,011,906.80
  6. Step 6: Final answer
    x = 15,278,297.40

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Similar ratio
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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.