Home / 8,317,780.20-12,476,670.30-7,341,503.40

Finding the Fourth Proportional to 8,317,780.20, 12,476,670.30 and 7,341,503.40

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Solution

The fourth proportional to 8,317,780.20, 12,476,670.30 and 7,341,503.40 is: 11,012,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,780.20 : 12,476,670.30 = 7,341,503.40 : x
  2. Step 2: Convert to fraction form
    8,317,780.20/12,476,670.30 = 7,341,503.40/x
  3. Step 3: Cross multiply
    8,317,780.20x = 12,476,670.30 × 7,341,503.40
  4. Step 4: Simplify right side
    8,317,780.20x = 91,597,517,428,129.03
  5. Step 5: Solve for x
    x = 91,597,517,428,129.03/8,317,780.20
  6. Step 6: Final answer
    x = 11,012,255.10

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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.