Home / 14,003,207.80-21,004,811.70-11,763,719.80

Finding the Fourth Proportional to 14,003,207.80, 21,004,811.70 and 11,763,719.80

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Solution

The fourth proportional to 14,003,207.80, 21,004,811.70 and 11,763,719.80 is: 17,645,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,207.80 : 21,004,811.70 = 11,763,719.80 : x
  2. Step 2: Convert to fraction form
    14,003,207.80/21,004,811.70 = 11,763,719.80/x
  3. Step 3: Cross multiply
    14,003,207.80x = 21,004,811.70 × 11,763,719.80
  4. Step 4: Simplify right side
    14,003,207.80x = 247,094,719,290,561.66
  5. Step 5: Solve for x
    x = 247,094,719,290,561.66/14,003,207.80
  6. Step 6: Final answer
    x = 17,645,579.70

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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.