Home / 19,252,116.36-28,858,714.86-12,068,691.24

Finding the Fourth Proportional to 19,252,116.36, 28,858,714.86 and 12,068,691.24

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Solution

The fourth proportional to 19,252,116.36, 28,858,714.86 and 12,068,691.24 is: 18,090,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252,116.36 : 28,858,714.86 = 12,068,691.24 : x
  2. Step 2: Convert to fraction form
    19,252,116.36/28,858,714.86 = 12,068,691.24/x
  3. Step 3: Cross multiply
    19,252,116.36x = 28,858,714.86 × 12,068,691.24
  4. Step 4: Simplify right side
    19,252,116.36x = 348,286,919,228,539.81
  5. Step 5: Solve for x
    x = 348,286,919,228,539.81/19,252,116.36
  6. Step 6: Final answer
    x = 18,090,838.05

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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.