Home / 40,015,340-59,927,099.52-20,533,297.76

Finding the Fourth Proportional to 40,015,340, 59,927,099.52 and 20,533,297.76

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Solution

The fourth proportional to 40,015,340, 59,927,099.52 and 20,533,297.76 is: 30,750,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015,340 : 59,927,099.52 = 20,533,297.76 : x
  2. Step 2: Convert to fraction form
    40,015,340/59,927,099.52 = 20,533,297.76/x
  3. Step 3: Cross multiply
    40,015,340x = 59,927,099.52 × 20,533,297.76
  4. Step 4: Simplify right side
    40,015,340x = 1,230,500,978,337,313.25
  5. Step 5: Solve for x
    x = 1,230,500,978,337,313.25/40,015,340
  6. Step 6: Final answer
    x = 30,750,731.55

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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.