Home / 21,022,757.70-31,528,231.65-6,650,231.10

Finding the Fourth Proportional to 21,022,757.70, 31,528,231.65 and 6,650,231.10

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Solution

The fourth proportional to 21,022,757.70, 31,528,231.65 and 6,650,231.10 is: 9,973,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,757.70 : 31,528,231.65 = 6,650,231.10 : x
  2. Step 2: Convert to fraction form
    21,022,757.70/31,528,231.65 = 6,650,231.10/x
  3. Step 3: Cross multiply
    21,022,757.70x = 31,528,231.65 × 6,650,231.10
  4. Step 4: Simplify right side
    21,022,757.70x = 209,670,026,646,834.28
  5. Step 5: Solve for x
    x = 209,670,026,646,834.28/21,022,757.70
  6. Step 6: Final answer
    x = 9,973,478.72

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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.