Home / 12,199,080.36-16,837,209.15-8,280,099.42

Finding the Fourth Proportional to 12,199,080.36, 16,837,209.15 and 8,280,099.42

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Solution

The fourth proportional to 12,199,080.36, 16,837,209.15 and 8,280,099.42 is: 11,428,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,080.36 : 16,837,209.15 = 8,280,099.42 : x
  2. Step 2: Convert to fraction form
    12,199,080.36/16,837,209.15 = 8,280,099.42/x
  3. Step 3: Cross multiply
    12,199,080.36x = 16,837,209.15 × 8,280,099.42
  4. Step 4: Simplify right side
    12,199,080.36x = 139,413,765,717,333.67
  5. Step 5: Solve for x
    x = 139,413,765,717,333.67/12,199,080.36
  6. Step 6: Final answer
    x = 11,428,219.31

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1.5x scale

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.