Home / 15,239,240.83-21,030,165.93-8,269,918.36

Finding the Fourth Proportional to 15,239,240.83, 21,030,165.93 and 8,269,918.36

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Solution

The fourth proportional to 15,239,240.83, 21,030,165.93 and 8,269,918.36 is: 11,412,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,240.83 : 21,030,165.93 = 8,269,918.36 : x
  2. Step 2: Convert to fraction form
    15,239,240.83/21,030,165.93 = 8,269,918.36/x
  3. Step 3: Cross multiply
    15,239,240.83x = 21,030,165.93 × 8,269,918.36
  4. Step 4: Simplify right side
    15,239,240.83x = 173,917,755,338,353.47
  5. Step 5: Solve for x
    x = 173,917,755,338,353.47/15,239,240.83
  6. Step 6: Final answer
    x = 11,412,494.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.