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Finding the Fourth Proportional to 8,367,848.64, 11,547,145.44 and 4,696,424.64

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Solution

The fourth proportional to 8,367,848.64, 11,547,145.44 and 4,696,424.64 is: 6,480,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367,848.64 : 11,547,145.44 = 4,696,424.64 : x
  2. Step 2: Convert to fraction form
    8,367,848.64/11,547,145.44 = 4,696,424.64/x
  3. Step 3: Cross multiply
    8,367,848.64x = 11,547,145.44 × 4,696,424.64
  4. Step 4: Simplify right side
    8,367,848.64x = 54,230,298,366,079.63
  5. Step 5: Solve for x
    x = 54,230,298,366,079.63/8,367,848.64
  6. Step 6: Final answer
    x = 6,480,793.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.