Home / 8,317,817.60-12,476,726.40-2,638,486.40

Finding the Fourth Proportional to 8,317,817.60, 12,476,726.40 and 2,638,486.40

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Solution

The fourth proportional to 8,317,817.60, 12,476,726.40 and 2,638,486.40 is: 3,957,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,817.60 : 12,476,726.40 = 2,638,486.40 : x
  2. Step 2: Convert to fraction form
    8,317,817.60/12,476,726.40 = 2,638,486.40/x
  3. Step 3: Cross multiply
    8,317,817.60x = 12,476,726.40 × 2,638,486.40
  4. Step 4: Simplify right side
    8,317,817.60x = 32,919,672,922,920.96
  5. Step 5: Solve for x
    x = 32,919,672,922,920.96/8,317,817.60
  6. Step 6: Final answer
    x = 3,957,729.60

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Similar ratio
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1.5x scale

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.