Home / 8,319,063.40-12,478,595.10-2,933,794.60

Finding the Fourth Proportional to 8,319,063.40, 12,478,595.10 and 2,933,794.60

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Solution

The fourth proportional to 8,319,063.40, 12,478,595.10 and 2,933,794.60 is: 4,400,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,063.40 : 12,478,595.10 = 2,933,794.60 : x
  2. Step 2: Convert to fraction form
    8,319,063.40/12,478,595.10 = 2,933,794.60/x
  3. Step 3: Cross multiply
    8,319,063.40x = 12,478,595.10 × 2,933,794.60
  4. Step 4: Simplify right side
    8,319,063.40x = 36,609,634,919,966.46
  5. Step 5: Solve for x
    x = 36,609,634,919,966.46/8,319,063.40
  6. Step 6: Final answer
    x = 4,400,691.90

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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.