Home / 28,136,501.92-42,182,704.86-11,109,919.60

Finding the Fourth Proportional to 28,136,501.92, 42,182,704.86 and 11,109,919.60

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Solution

The fourth proportional to 28,136,501.92, 42,182,704.86 and 11,109,919.60 is: 16,656,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,501.92 : 42,182,704.86 = 11,109,919.60 : x
  2. Step 2: Convert to fraction form
    28,136,501.92/42,182,704.86 = 11,109,919.60/x
  3. Step 3: Cross multiply
    28,136,501.92x = 42,182,704.86 × 11,109,919.60
  4. Step 4: Simplify right side
    28,136,501.92x = 468,646,459,505,129.25
  5. Step 5: Solve for x
    x = 468,646,459,505,129.25/28,136,501.92
  6. Step 6: Final answer
    x = 16,656,173.57

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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.