Home / 8,867,649.76-12,236,317.05-4,999,940.26

Finding the Fourth Proportional to 8,867,649.76, 12,236,317.05 and 4,999,940.26

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Solution

The fourth proportional to 8,867,649.76, 12,236,317.05 and 4,999,940.26 is: 6,899,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867,649.76 : 12,236,317.05 = 4,999,940.26 : x
  2. Step 2: Convert to fraction form
    8,867,649.76/12,236,317.05 = 4,999,940.26/x
  3. Step 3: Cross multiply
    8,867,649.76x = 12,236,317.05 × 4,999,940.26
  4. Step 4: Simplify right side
    8,867,649.76x = 61,180,854,252,419.44
  5. Step 5: Solve for x
    x = 61,180,854,252,419.44/8,867,649.76
  6. Step 6: Final answer
    x = 6,899,331.38

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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.