Home / 8,521,119.10-12,781,678.65-4,042,143.10

Finding the Fourth Proportional to 8,521,119.10, 12,781,678.65 and 4,042,143.10

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Solution

The fourth proportional to 8,521,119.10, 12,781,678.65 and 4,042,143.10 is: 6,063,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,119.10 : 12,781,678.65 = 4,042,143.10 : x
  2. Step 2: Convert to fraction form
    8,521,119.10/12,781,678.65 = 4,042,143.10/x
  3. Step 3: Cross multiply
    8,521,119.10x = 12,781,678.65 × 4,042,143.10
  4. Step 4: Simplify right side
    8,521,119.10x = 51,665,374,161,514.82
  5. Step 5: Solve for x
    x = 51,665,374,161,514.82/8,521,119.10
  6. Step 6: Final answer
    x = 6,063,214.65

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Double scale
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Similar ratio
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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.