Home / 21,099,555.50-31,649,990.56-7,266,372.26

Finding the Fourth Proportional to 21,099,555.50, 31,649,990.56 and 7,266,372.26

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Solution

The fourth proportional to 21,099,555.50, 31,649,990.56 and 7,266,372.26 is: 10,899,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099,555.50 : 31,649,990.56 = 7,266,372.26 : x
  2. Step 2: Convert to fraction form
    21,099,555.50/31,649,990.56 = 7,266,372.26/x
  3. Step 3: Cross multiply
    21,099,555.50x = 31,649,990.56 × 7,266,372.26
  4. Step 4: Simplify right side
    21,099,555.50x = 229,980,613,434,445.84
  5. Step 5: Solve for x
    x = 229,980,613,434,445.84/21,099,555.50
  6. Step 6: Final answer
    x = 10,899,784.76

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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.