Home / 15,395,525.72-21,244,961.06-8,426,189.07

Finding the Fourth Proportional to 15,395,525.72, 21,244,961.06 and 8,426,189.07

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Solution

The fourth proportional to 15,395,525.72, 21,244,961.06 and 8,426,189.07 is: 11,627,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,525.72 : 21,244,961.06 = 8,426,189.07 : x
  2. Step 2: Convert to fraction form
    15,395,525.72/21,244,961.06 = 8,426,189.07/x
  3. Step 3: Cross multiply
    15,395,525.72x = 21,244,961.06 × 8,426,189.07
  4. Step 4: Simplify right side
    15,395,525.72x = 179,014,058,676,347.59
  5. Step 5: Solve for x
    x = 179,014,058,676,347.59/15,395,525.72
  6. Step 6: Final answer
    x = 11,627,667.80

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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.