Home / 21,576,978.10-32,365,467.15-19,412,139.70

Finding the Fourth Proportional to 21,576,978.10, 32,365,467.15 and 19,412,139.70

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Solution

The fourth proportional to 21,576,978.10, 32,365,467.15 and 19,412,139.70 is: 29,118,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,978.10 : 32,365,467.15 = 19,412,139.70 : x
  2. Step 2: Convert to fraction form
    21,576,978.10/32,365,467.15 = 19,412,139.70/x
  3. Step 3: Cross multiply
    21,576,978.10x = 32,365,467.15 × 19,412,139.70
  4. Step 4: Simplify right side
    21,576,978.10x = 628,282,969,771,560.75
  5. Step 5: Solve for x
    x = 628,282,969,771,560.75/21,576,978.10
  6. Step 6: Final answer
    x = 29,118,209.55

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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.