Home / 14,351,209.48-21,505,548.30-11,810,478.70

Finding the Fourth Proportional to 14,351,209.48, 21,505,548.30 and 11,810,478.70

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Solution

The fourth proportional to 14,351,209.48, 21,505,548.30 and 11,810,478.70 is: 17,698,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351,209.48 : 21,505,548.30 = 11,810,478.70 : x
  2. Step 2: Convert to fraction form
    14,351,209.48/21,505,548.30 = 11,810,478.70/x
  3. Step 3: Cross multiply
    14,351,209.48x = 21,505,548.30 × 11,810,478.70
  4. Step 4: Simplify right side
    14,351,209.48x = 253,990,820,128,971.19
  5. Step 5: Solve for x
    x = 253,990,820,128,971.19/14,351,209.48
  6. Step 6: Final answer
    x = 17,698,217.04

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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.