Home / 21,631,756.38-32,446,786.50-5,457,506.28

Finding the Fourth Proportional to 21,631,756.38, 32,446,786.50 and 5,457,506.28

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Solution

The fourth proportional to 21,631,756.38, 32,446,786.50 and 5,457,506.28 is: 8,186,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631,756.38 : 32,446,786.50 = 5,457,506.28 : x
  2. Step 2: Convert to fraction form
    21,631,756.38/32,446,786.50 = 5,457,506.28/x
  3. Step 3: Cross multiply
    21,631,756.38x = 32,446,786.50 × 5,457,506.28
  4. Step 4: Simplify right side
    21,631,756.38x = 177,078,541,089,569.22
  5. Step 5: Solve for x
    x = 177,078,541,089,569.22/21,631,756.38
  6. Step 6: Final answer
    x = 8,186,045.46

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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.