Home / 8,911,984.36-12,298,733.94-5,427,486.44

Finding the Fourth Proportional to 8,911,984.36, 12,298,733.94 and 5,427,486.44

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Solution

The fourth proportional to 8,911,984.36, 12,298,733.94 and 5,427,486.44 is: 7,490,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,984.36 : 12,298,733.94 = 5,427,486.44 : x
  2. Step 2: Convert to fraction form
    8,911,984.36/12,298,733.94 = 5,427,486.44/x
  3. Step 3: Cross multiply
    8,911,984.36x = 12,298,733.94 × 5,427,486.44
  4. Step 4: Simplify right side
    8,911,984.36x = 66,751,211,688,517.77
  5. Step 5: Solve for x
    x = 66,751,211,688,517.77/8,911,984.36
  6. Step 6: Final answer
    x = 7,490,050.36

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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.