Home / 21,005,362.64-31,495,446.84-9,631,562.96

Finding the Fourth Proportional to 21,005,362.64, 31,495,446.84 and 9,631,562.96

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Solution

The fourth proportional to 21,005,362.64, 31,495,446.84 and 9,631,562.96 is: 14,441,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,005,362.64 : 31,495,446.84 = 9,631,562.96 : x
  2. Step 2: Convert to fraction form
    21,005,362.64/31,495,446.84 = 9,631,562.96/x
  3. Step 3: Cross multiply
    21,005,362.64x = 31,495,446.84 × 9,631,562.96
  4. Step 4: Simplify right side
    21,005,362.64x = 303,350,379,192,793.06
  5. Step 5: Solve for x
    x = 303,350,379,192,793.06/21,005,362.64
  6. Step 6: Final answer
    x = 14,441,568.30

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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.