Home / 14,389,938.30-21,556,913.85-8,693,240.70

Finding the Fourth Proportional to 14,389,938.30, 21,556,913.85 and 8,693,240.70

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Solution

The fourth proportional to 14,389,938.30, 21,556,913.85 and 8,693,240.70 is: 13,022,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,938.30 : 21,556,913.85 = 8,693,240.70 : x
  2. Step 2: Convert to fraction form
    14,389,938.30/21,556,913.85 = 8,693,240.70/x
  3. Step 3: Cross multiply
    14,389,938.30x = 21,556,913.85 × 8,693,240.70
  4. Step 4: Simplify right side
    14,389,938.30x = 187,399,440,847,213.69
  5. Step 5: Solve for x
    x = 187,399,440,847,213.69/14,389,938.30
  6. Step 6: Final answer
    x = 13,022,949.57

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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.