Home / 12,022,079.49-16,590,427.22-6,515,587.98

Finding the Fourth Proportional to 12,022,079.49, 16,590,427.22 and 6,515,587.98

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Solution

The fourth proportional to 12,022,079.49, 16,590,427.22 and 6,515,587.98 is: 8,991,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022,079.49 : 16,590,427.22 = 6,515,587.98 : x
  2. Step 2: Convert to fraction form
    12,022,079.49/16,590,427.22 = 6,515,587.98/x
  3. Step 3: Cross multiply
    12,022,079.49x = 16,590,427.22 × 6,515,587.98
  4. Step 4: Simplify right side
    12,022,079.49x = 108,096,388,193,985.80
  5. Step 5: Solve for x
    x = 108,096,388,193,985.80/12,022,079.49
  6. Step 6: Final answer
    x = 8,991,488.39

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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.