Home / 20,332,784.34-28,058,476.14-11,040,153.57

Finding the Fourth Proportional to 20,332,784.34, 28,058,476.14 and 11,040,153.57

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Solution

The fourth proportional to 20,332,784.34, 28,058,476.14 and 11,040,153.57 is: 15,234,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,784.34 : 28,058,476.14 = 11,040,153.57 : x
  2. Step 2: Convert to fraction form
    20,332,784.34/28,058,476.14 = 11,040,153.57/x
  3. Step 3: Cross multiply
    20,332,784.34x = 28,058,476.14 × 11,040,153.57
  4. Step 4: Simplify right side
    20,332,784.34x = 309,769,885,525,780.81
  5. Step 5: Solve for x
    x = 309,769,885,525,780.81/20,332,784.34
  6. Step 6: Final answer
    x = 15,234,995.87

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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.