Home / 29,121,619.20-43,698,175.20-12,084,014.40

Finding the Fourth Proportional to 29,121,619.20, 43,698,175.20 and 12,084,014.40

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Solution

The fourth proportional to 29,121,619.20, 43,698,175.20 and 12,084,014.40 is: 18,132,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,619.20 : 43,698,175.20 = 12,084,014.40 : x
  2. Step 2: Convert to fraction form
    29,121,619.20/43,698,175.20 = 12,084,014.40/x
  3. Step 3: Cross multiply
    29,121,619.20x = 43,698,175.20 × 12,084,014.40
  4. Step 4: Simplify right side
    29,121,619.20x = 528,049,378,370,522.94
  5. Step 5: Solve for x
    x = 528,049,378,370,522.94/29,121,619.20
  6. Step 6: Final answer
    x = 18,132,555.57

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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.