Home / 10,676,890.80-16,015,336.20-8,881,801.20

Finding the Fourth Proportional to 10,676,890.80, 16,015,336.20 and 8,881,801.20

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Solution

The fourth proportional to 10,676,890.80, 16,015,336.20 and 8,881,801.20 is: 13,322,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676,890.80 : 16,015,336.20 = 8,881,801.20 : x
  2. Step 2: Convert to fraction form
    10,676,890.80/16,015,336.20 = 8,881,801.20/x
  3. Step 3: Cross multiply
    10,676,890.80x = 16,015,336.20 × 8,881,801.20
  4. Step 4: Simplify right side
    10,676,890.80x = 142,245,032,279,563.41
  5. Step 5: Solve for x
    x = 142,245,032,279,563.41/10,676,890.80
  6. Step 6: Final answer
    x = 13,322,701.80

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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.