Home / 6,367,640.90-9,551,461.35-3,178,994.90

Finding the Fourth Proportional to 6,367,640.90, 9,551,461.35 and 3,178,994.90

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Solution

The fourth proportional to 6,367,640.90, 9,551,461.35 and 3,178,994.90 is: 4,768,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367,640.90 : 9,551,461.35 = 3,178,994.90 : x
  2. Step 2: Convert to fraction form
    6,367,640.90/9,551,461.35 = 3,178,994.90/x
  3. Step 3: Cross multiply
    6,367,640.90x = 9,551,461.35 × 3,178,994.90
  4. Step 4: Simplify right side
    6,367,640.90x = 30,364,046,919,197.11
  5. Step 5: Solve for x
    x = 30,364,046,919,197.11/6,367,640.90
  6. Step 6: Final answer
    x = 4,768,492.35

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Double scale
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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.