Home / 28,969,299.40-43,459,781.10-8,498,979.40

Finding the Fourth Proportional to 28,969,299.40, 43,459,781.10 and 8,498,979.40

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Solution

The fourth proportional to 28,969,299.40, 43,459,781.10 and 8,498,979.40 is: 12,750,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,299.40 : 43,459,781.10 = 8,498,979.40 : x
  2. Step 2: Convert to fraction form
    28,969,299.40/43,459,781.10 = 8,498,979.40/x
  3. Step 3: Cross multiply
    28,969,299.40x = 43,459,781.10 × 8,498,979.40
  4. Step 4: Simplify right side
    28,969,299.40x = 369,363,784,297,409.38
  5. Step 5: Solve for x
    x = 369,363,784,297,409.38/28,969,299.40
  6. Step 6: Final answer
    x = 12,750,180.09

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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.