Home / 31,705,604.70-47,558,407.05-20,746,110.30

Finding the Fourth Proportional to 31,705,604.70, 47,558,407.05 and 20,746,110.30

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Solution

The fourth proportional to 31,705,604.70, 47,558,407.05 and 20,746,110.30 is: 31,119,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705,604.70 : 47,558,407.05 = 20,746,110.30 : x
  2. Step 2: Convert to fraction form
    31,705,604.70/47,558,407.05 = 20,746,110.30/x
  3. Step 3: Cross multiply
    31,705,604.70x = 47,558,407.05 × 20,746,110.30
  4. Step 4: Simplify right side
    31,705,604.70x = 986,651,958,351,597.62
  5. Step 5: Solve for x
    x = 986,651,958,351,597.62/31,705,604.70
  6. Step 6: Final answer
    x = 31,119,165.45

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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.