Home / 14,179,429.20-21,279,641.40-9,385,525.20

Finding the Fourth Proportional to 14,179,429.20, 21,279,641.40 and 9,385,525.20

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Solution

The fourth proportional to 14,179,429.20, 21,279,641.40 and 9,385,525.20 is: 14,085,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179,429.20 : 21,279,641.40 = 9,385,525.20 : x
  2. Step 2: Convert to fraction form
    14,179,429.20/21,279,641.40 = 9,385,525.20/x
  3. Step 3: Cross multiply
    14,179,429.20x = 21,279,641.40 × 9,385,525.20
  4. Step 4: Simplify right side
    14,179,429.20x = 199,720,610,606,663.25
  5. Step 5: Solve for x
    x = 199,720,610,606,663.25/14,179,429.20
  6. Step 6: Final answer
    x = 14,085,236.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.