Home / 28,136,500.92-42,182,703.36-11,109,918.60

Finding the Fourth Proportional to 28,136,500.92, 42,182,703.36 and 11,109,918.60

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Solution

The fourth proportional to 28,136,500.92, 42,182,703.36 and 11,109,918.60 is: 16,656,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,500.92 : 42,182,703.36 = 11,109,918.60 : x
  2. Step 2: Convert to fraction form
    28,136,500.92/42,182,703.36 = 11,109,918.60/x
  3. Step 3: Cross multiply
    28,136,500.92x = 42,182,703.36 × 11,109,918.60
  4. Step 4: Simplify right side
    28,136,500.92x = 468,646,400,657,546.50
  5. Step 5: Solve for x
    x = 468,646,400,657,546.50/28,136,500.92
  6. Step 6: Final answer
    x = 16,656,172.07

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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.