Home / 11,008,547.70-16,512,821.55-8,138,766.30

Finding the Fourth Proportional to 11,008,547.70, 16,512,821.55 and 8,138,766.30

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Solution

The fourth proportional to 11,008,547.70, 16,512,821.55 and 8,138,766.30 is: 12,208,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,547.70 : 16,512,821.55 = 8,138,766.30 : x
  2. Step 2: Convert to fraction form
    11,008,547.70/16,512,821.55 = 8,138,766.30/x
  3. Step 3: Cross multiply
    11,008,547.70x = 16,512,821.55 × 8,138,766.30
  4. Step 4: Simplify right side
    11,008,547.70x = 134,393,995,549,053.77
  5. Step 5: Solve for x
    x = 134,393,995,549,053.77/11,008,547.70
  6. Step 6: Final answer
    x = 12,208,149.45

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Similar ratio
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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.