Home / 28,876,531.60-43,293,802.20-11,828,429.20

Finding the Fourth Proportional to 28,876,531.60, 43,293,802.20 and 11,828,429.20

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Solution

The fourth proportional to 28,876,531.60, 43,293,802.20 and 11,828,429.20 is: 17,734,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,531.60 : 43,293,802.20 = 11,828,429.20 : x
  2. Step 2: Convert to fraction form
    28,876,531.60/43,293,802.20 = 11,828,429.20/x
  3. Step 3: Cross multiply
    28,876,531.60x = 43,293,802.20 × 11,828,429.20
  4. Step 4: Simplify right side
    28,876,531.60x = 512,097,674,121,504.25
  5. Step 5: Solve for x
    x = 512,097,674,121,504.25/28,876,531.60
  6. Step 6: Final answer
    x = 17,734,043.73

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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.