Home / 11,128,300.80-16,692,451.20-9,238,732.80

Finding the Fourth Proportional to 11,128,300.80, 16,692,451.20 and 9,238,732.80

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Solution

The fourth proportional to 11,128,300.80, 16,692,451.20 and 9,238,732.80 is: 13,858,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,300.80 : 16,692,451.20 = 9,238,732.80 : x
  2. Step 2: Convert to fraction form
    11,128,300.80/16,692,451.20 = 9,238,732.80/x
  3. Step 3: Cross multiply
    11,128,300.80x = 16,692,451.20 × 9,238,732.80
  4. Step 4: Simplify right side
    11,128,300.80x = 154,217,096,413,839.38
  5. Step 5: Solve for x
    x = 154,217,096,413,839.38/11,128,300.80
  6. Step 6: Final answer
    x = 13,858,099.20

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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.