Home / 21,699,291.25-29,945,955.05-12,041,499.25

Finding the Fourth Proportional to 21,699,291.25, 29,945,955.05 and 12,041,499.25

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Solution

The fourth proportional to 21,699,291.25, 29,945,955.05 and 12,041,499.25 is: 16,617,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699,291.25 : 29,945,955.05 = 12,041,499.25 : x
  2. Step 2: Convert to fraction form
    21,699,291.25/29,945,955.05 = 12,041,499.25/x
  3. Step 3: Cross multiply
    21,699,291.25x = 29,945,955.05 × 12,041,499.25
  4. Step 4: Simplify right side
    21,699,291.25x = 360,594,195,275,108.75
  5. Step 5: Solve for x
    x = 360,594,195,275,108.75/21,699,291.25
  6. Step 6: Final answer
    x = 16,617,786.78

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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.