Home / 47,872,280.68-71,721,821.76-21,986,235.88

Finding the Fourth Proportional to 47,872,280.68, 71,721,821.76 and 21,986,235.88

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Solution

The fourth proportional to 47,872,280.68, 71,721,821.76 and 21,986,235.88 is: 32,939,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,280.68 : 71,721,821.76 = 21,986,235.88 : x
  2. Step 2: Convert to fraction form
    47,872,280.68/71,721,821.76 = 21,986,235.88/x
  3. Step 3: Cross multiply
    47,872,280.68x = 71,721,821.76 × 21,986,235.88
  4. Step 4: Simplify right side
    47,872,280.68x = 1,576,892,890,958,676.75
  5. Step 5: Solve for x
    x = 1,576,892,890,958,676.75/47,872,280.68
  6. Step 6: Final answer
    x = 32,939,581.50

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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.