Home / 21,332,974.60-31,999,461.90-5,376,622.60

Finding the Fourth Proportional to 21,332,974.60, 31,999,461.90 and 5,376,622.60

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Solution

The fourth proportional to 21,332,974.60, 31,999,461.90 and 5,376,622.60 is: 8,064,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,974.60 : 31,999,461.90 = 5,376,622.60 : x
  2. Step 2: Convert to fraction form
    21,332,974.60/31,999,461.90 = 5,376,622.60/x
  3. Step 3: Cross multiply
    21,332,974.60x = 31,999,461.90 × 5,376,622.60
  4. Step 4: Simplify right side
    21,332,974.60x = 172,049,030,039,378.91
  5. Step 5: Solve for x
    x = 172,049,030,039,378.91/21,332,974.60
  6. Step 6: Final answer
    x = 8,064,933.90

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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.