Home / 10,432,372.83-15,646,880.69-2,857,567.71

Finding the Fourth Proportional to 10,432,372.83, 15,646,880.69 and 2,857,567.71

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Solution

The fourth proportional to 10,432,372.83, 15,646,880.69 and 2,857,567.71 is: 4,285,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432,372.83 : 15,646,880.69 = 2,857,567.71 : x
  2. Step 2: Convert to fraction form
    10,432,372.83/15,646,880.69 = 2,857,567.71/x
  3. Step 3: Cross multiply
    10,432,372.83x = 15,646,880.69 × 2,857,567.71
  4. Step 4: Simplify right side
    10,432,372.83x = 44,712,021,007,678.68
  5. Step 5: Solve for x
    x = 44,712,021,007,678.68/10,432,372.83
  6. Step 6: Final answer
    x = 4,285,891.78

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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.