Home / 19,332,568.20-28,997,930.70-6,551,819.40

Finding the Fourth Proportional to 19,332,568.20, 28,997,930.70 and 6,551,819.40

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Solution

The fourth proportional to 19,332,568.20, 28,997,930.70 and 6,551,819.40 is: 9,827,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332,568.20 : 28,997,930.70 = 6,551,819.40 : x
  2. Step 2: Convert to fraction form
    19,332,568.20/28,997,930.70 = 6,551,819.40/x
  3. Step 3: Cross multiply
    19,332,568.20x = 28,997,930.70 × 6,551,819.40
  4. Step 4: Simplify right side
    19,332,568.20x = 189,989,204,920,115.59
  5. Step 5: Solve for x
    x = 189,989,204,920,115.59/19,332,568.20
  6. Step 6: Final answer
    x = 9,827,416.77

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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.