Home / 19,427,999.20-27,239,012-19,427,999.20

Finding the Fourth Proportional to 19,427,999.20, 27,239,012 and 19,427,999.20

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Solution

The fourth proportional to 19,427,999.20, 27,239,012 and 19,427,999.20 is: 27,239,012

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427,999.20 : 27,239,012 = 19,427,999.20 : x
  2. Step 2: Convert to fraction form
    19,427,999.20/27,239,012 = 19,427,999.20/x
  3. Step 3: Cross multiply
    19,427,999.20x = 27,239,012 × 19,427,999.20
  4. Step 4: Simplify right side
    19,427,999.20x = 529,199,503,344,790.38
  5. Step 5: Solve for x
    x = 529,199,503,344,790.38/19,427,999.20
  6. Step 6: Final answer
    x = 27,239,012

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.