Home / 12,662,681.35-18,994,029.12-8,892,993.19

Finding the Fourth Proportional to 12,662,681.35, 18,994,029.12 and 8,892,993.19

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Solution

The fourth proportional to 12,662,681.35, 18,994,029.12 and 8,892,993.19 is: 13,339,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,681.35 : 18,994,029.12 = 8,892,993.19 : x
  2. Step 2: Convert to fraction form
    12,662,681.35/18,994,029.12 = 8,892,993.19/x
  3. Step 3: Cross multiply
    12,662,681.35x = 18,994,029.12 × 8,892,993.19
  4. Step 4: Simplify right side
    12,662,681.35x = 168,913,771,614,821.69
  5. Step 5: Solve for x
    x = 168,913,771,614,821.69/12,662,681.35
  6. Step 6: Final answer
    x = 13,339,494.77

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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.