Home / 12,673,018.60-18,995,531.10-6,997,316.20

Finding the Fourth Proportional to 12,673,018.60, 18,995,531.10 and 6,997,316.20

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Solution

The fourth proportional to 12,673,018.60, 18,995,531.10 and 6,997,316.20 is: 10,488,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,018.60 : 18,995,531.10 = 6,997,316.20 : x
  2. Step 2: Convert to fraction form
    12,673,018.60/18,995,531.10 = 6,997,316.20/x
  3. Step 3: Cross multiply
    12,673,018.60x = 18,995,531.10 × 6,997,316.20
  4. Step 4: Simplify right side
    12,673,018.60x = 132,917,737,493,633.83
  5. Step 5: Solve for x
    x = 132,917,737,493,633.83/12,673,018.60
  6. Step 6: Final answer
    x = 10,488,246.07

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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.