Home / 15,285,615.82-21,086,109.98-9,086,253.01

Finding the Fourth Proportional to 15,285,615.82, 21,086,109.98 and 9,086,253.01

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Solution

The fourth proportional to 15,285,615.82, 21,086,109.98 and 9,086,253.01 is: 12,534,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,615.82 : 21,086,109.98 = 9,086,253.01 : x
  2. Step 2: Convert to fraction form
    15,285,615.82/21,086,109.98 = 9,086,253.01/x
  3. Step 3: Cross multiply
    15,285,615.82x = 21,086,109.98 × 9,086,253.01
  4. Step 4: Simplify right side
    15,285,615.82x = 191,593,730,210,892.97
  5. Step 5: Solve for x
    x = 191,593,730,210,892.97/15,285,615.82
  6. Step 6: Final answer
    x = 12,534,250.01

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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.