Home / 29,129,919.20-43,694,878.80-9,958,968.80

Finding the Fourth Proportional to 29,129,919.20, 43,694,878.80 and 9,958,968.80

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Solution

The fourth proportional to 29,129,919.20, 43,694,878.80 and 9,958,968.80 is: 14,938,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129,919.20 : 43,694,878.80 = 9,958,968.80 : x
  2. Step 2: Convert to fraction form
    29,129,919.20/43,694,878.80 = 9,958,968.80/x
  3. Step 3: Cross multiply
    29,129,919.20x = 43,694,878.80 × 9,958,968.80
  4. Step 4: Simplify right side
    29,129,919.20x = 435,155,934,688,981.44
  5. Step 5: Solve for x
    x = 435,155,934,688,981.44/29,129,919.20
  6. Step 6: Final answer
    x = 14,938,453.20

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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.