Home / 39,886,438.60-59,829,657.90-20,754,562.60

Finding the Fourth Proportional to 39,886,438.60, 59,829,657.90 and 20,754,562.60

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Solution

The fourth proportional to 39,886,438.60, 59,829,657.90 and 20,754,562.60 is: 31,131,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,886,438.60 : 59,829,657.90 = 20,754,562.60 : x
  2. Step 2: Convert to fraction form
    39,886,438.60/59,829,657.90 = 20,754,562.60/x
  3. Step 3: Cross multiply
    39,886,438.60x = 59,829,657.90 × 20,754,562.60
  4. Step 4: Simplify right side
    39,886,438.60x = 1,241,738,380,222,134.50
  5. Step 5: Solve for x
    x = 1,241,738,380,222,134.50/39,886,438.60
  6. Step 6: Final answer
    x = 31,131,843.90

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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.