Home / 8,512,307.30-12,768,460.95-7,449,425.30

Finding the Fourth Proportional to 8,512,307.30, 12,768,460.95 and 7,449,425.30

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Solution

The fourth proportional to 8,512,307.30, 12,768,460.95 and 7,449,425.30 is: 11,174,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,307.30 : 12,768,460.95 = 7,449,425.30 : x
  2. Step 2: Convert to fraction form
    8,512,307.30/12,768,460.95 = 7,449,425.30/x
  3. Step 3: Cross multiply
    8,512,307.30x = 12,768,460.95 × 7,449,425.30
  4. Step 4: Simplify right side
    8,512,307.30x = 95,117,696,042,992.03
  5. Step 5: Solve for x
    x = 95,117,696,042,992.03/8,512,307.30
  6. Step 6: Final answer
    x = 11,174,137.95

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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.