Home / 20,706,434.88-31,059,728.64-6,329,446.80

Finding the Fourth Proportional to 20,706,434.88, 31,059,728.64 and 6,329,446.80

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Solution

The fourth proportional to 20,706,434.88, 31,059,728.64 and 6,329,446.80 is: 9,494,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,434.88 : 31,059,728.64 = 6,329,446.80 : x
  2. Step 2: Convert to fraction form
    20,706,434.88/31,059,728.64 = 6,329,446.80/x
  3. Step 3: Cross multiply
    20,706,434.88x = 31,059,728.64 × 6,329,446.80
  4. Step 4: Simplify right side
    20,706,434.88x = 196,590,900,049,316.34
  5. Step 5: Solve for x
    x = 196,590,900,049,316.34/20,706,434.88
  6. Step 6: Final answer
    x = 9,494,193.53

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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.