Home / 31,545,748.80-47,318,623.20-20,775,211.20

Finding the Fourth Proportional to 31,545,748.80, 47,318,623.20 and 20,775,211.20

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Solution

The fourth proportional to 31,545,748.80, 47,318,623.20 and 20,775,211.20 is: 31,162,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545,748.80 : 47,318,623.20 = 20,775,211.20 : x
  2. Step 2: Convert to fraction form
    31,545,748.80/47,318,623.20 = 20,775,211.20/x
  3. Step 3: Cross multiply
    31,545,748.80x = 47,318,623.20 × 20,775,211.20
  4. Step 4: Simplify right side
    31,545,748.80x = 983,054,390,673,219.88
  5. Step 5: Solve for x
    x = 983,054,390,673,219.88/31,545,748.80
  6. Step 6: Final answer
    x = 31,162,816.80

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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.