Home / 10,789,084.32-16,191,590.40-5,109,299.52

Finding the Fourth Proportional to 10,789,084.32, 16,191,590.40 and 5,109,299.52

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Solution

The fourth proportional to 10,789,084.32, 16,191,590.40 and 5,109,299.52 is: 7,667,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,084.32 : 16,191,590.40 = 5,109,299.52 : x
  2. Step 2: Convert to fraction form
    10,789,084.32/16,191,590.40 = 5,109,299.52/x
  3. Step 3: Cross multiply
    10,789,084.32x = 16,191,590.40 × 5,109,299.52
  4. Step 4: Simplify right side
    10,789,084.32x = 82,727,685,058,756.61
  5. Step 5: Solve for x
    x = 82,727,685,058,756.61/10,789,084.32
  6. Step 6: Final answer
    x = 7,667,720.69

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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.