Home / 21,609,531.35-32,399,898.45-11,898,717.25

Finding the Fourth Proportional to 21,609,531.35, 32,399,898.45 and 11,898,717.25

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Solution

The fourth proportional to 21,609,531.35, 32,399,898.45 and 11,898,717.25 is: 17,840,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609,531.35 : 32,399,898.45 = 11,898,717.25 : x
  2. Step 2: Convert to fraction form
    21,609,531.35/32,399,898.45 = 11,898,717.25/x
  3. Step 3: Cross multiply
    21,609,531.35x = 32,399,898.45 × 11,898,717.25
  4. Step 4: Simplify right side
    21,609,531.35x = 385,517,230,423,263.75
  5. Step 5: Solve for x
    x = 385,517,230,423,263.75/21,609,531.35
  6. Step 6: Final answer
    x = 17,840,147.67

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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.