Home / 21,576,393.12-32,377,358.60-7,939,116.25

Finding the Fourth Proportional to 21,576,393.12, 32,377,358.60 and 7,939,116.25

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Solution

The fourth proportional to 21,576,393.12, 32,377,358.60 and 7,939,116.25 is: 11,913,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,393.12 : 32,377,358.60 = 7,939,116.25 : x
  2. Step 2: Convert to fraction form
    21,576,393.12/32,377,358.60 = 7,939,116.25/x
  3. Step 3: Cross multiply
    21,576,393.12x = 32,377,358.60 × 7,939,116.25
  4. Step 4: Simplify right side
    21,576,393.12x = 257,047,613,631,450.47
  5. Step 5: Solve for x
    x = 257,047,613,631,450.47/21,576,393.12
  6. Step 6: Final answer
    x = 11,913,372.74

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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.