Home / 12,879,994.12-19,323,475.62-4,360,331.32

Finding the Fourth Proportional to 12,879,994.12, 19,323,475.62 and 4,360,331.32

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Solution

The fourth proportional to 12,879,994.12, 19,323,475.62 and 4,360,331.32 is: 6,541,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,994.12 : 19,323,475.62 = 4,360,331.32 : x
  2. Step 2: Convert to fraction form
    12,879,994.12/19,323,475.62 = 4,360,331.32/x
  3. Step 3: Cross multiply
    12,879,994.12x = 19,323,475.62 × 4,360,331.32
  4. Step 4: Simplify right side
    12,879,994.12x = 84,256,755,957,142.42
  5. Step 5: Solve for x
    x = 84,256,755,957,142.42/12,879,994.12
  6. Step 6: Final answer
    x = 6,541,676.59

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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.