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Finding the Fourth Proportional to 8,458,495.02, 12,687,742.53 and 2,068,671.51

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Solution

The fourth proportional to 8,458,495.02, 12,687,742.53 and 2,068,671.51 is: 3,103,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,495.02 : 12,687,742.53 = 2,068,671.51 : x
  2. Step 2: Convert to fraction form
    8,458,495.02/12,687,742.53 = 2,068,671.51/x
  3. Step 3: Cross multiply
    8,458,495.02x = 12,687,742.53 × 2,068,671.51
  4. Step 4: Simplify right side
    8,458,495.02x = 26,246,771,498,026.32
  5. Step 5: Solve for x
    x = 26,246,771,498,026.32/8,458,495.02
  6. Step 6: Final answer
    x = 3,103,007.27

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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.