Home / 19,207,331.20-28,806,868.82-6,077,789.51

Finding the Fourth Proportional to 19,207,331.20, 28,806,868.82 and 6,077,789.51

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Solution

The fourth proportional to 19,207,331.20, 28,806,868.82 and 6,077,789.51 is: 9,115,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,331.20 : 28,806,868.82 = 6,077,789.51 : x
  2. Step 2: Convert to fraction form
    19,207,331.20/28,806,868.82 = 6,077,789.51/x
  3. Step 3: Cross multiply
    19,207,331.20x = 28,806,868.82 × 6,077,789.51
  4. Step 4: Simplify right side
    19,207,331.20x = 175,082,085,001,302.22
  5. Step 5: Solve for x
    x = 175,082,085,001,302.22/19,207,331.20
  6. Step 6: Final answer
    x = 9,115,378.04

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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.