Home / 10,206,455.01-15,307,263.97-2,919,690.10

Finding the Fourth Proportional to 10,206,455.01, 15,307,263.97 and 2,919,690.10

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Solution

The fourth proportional to 10,206,455.01, 15,307,263.97 and 2,919,690.10 is: 4,378,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,455.01 : 15,307,263.97 = 2,919,690.10 : x
  2. Step 2: Convert to fraction form
    10,206,455.01/15,307,263.97 = 2,919,690.10/x
  3. Step 3: Cross multiply
    10,206,455.01x = 15,307,263.97 × 2,919,690.10
  4. Step 4: Simplify right side
    10,206,455.01x = 44,692,466,980,160.93
  5. Step 5: Solve for x
    x = 44,692,466,980,160.93/10,206,455.01
  6. Step 6: Final answer
    x = 4,378,843.29

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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.