Home / 21,861,172.90-32,811,588.15-11,085,969.70

Finding the Fourth Proportional to 21,861,172.90, 32,811,588.15 and 11,085,969.70

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Solution

The fourth proportional to 21,861,172.90, 32,811,588.15 and 11,085,969.70 is: 16,639,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861,172.90 : 32,811,588.15 = 11,085,969.70 : x
  2. Step 2: Convert to fraction form
    21,861,172.90/32,811,588.15 = 11,085,969.70/x
  3. Step 3: Cross multiply
    21,861,172.90x = 32,811,588.15 × 11,085,969.70
  4. Step 4: Simplify right side
    21,861,172.90x = 363,748,272,039,779
  5. Step 5: Solve for x
    x = 363,748,272,039,779/21,861,172.90
  6. Step 6: Final answer
    x = 16,639,009.89

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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.