Home / 8,625,628.20-12,911,517.90-6,353,714.28

Finding the Fourth Proportional to 8,625,628.20, 12,911,517.90 and 6,353,714.28

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Solution

The fourth proportional to 8,625,628.20, 12,911,517.90 and 6,353,714.28 is: 9,510,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,628.20 : 12,911,517.90 = 6,353,714.28 : x
  2. Step 2: Convert to fraction form
    8,625,628.20/12,911,517.90 = 6,353,714.28/x
  3. Step 3: Cross multiply
    8,625,628.20x = 12,911,517.90 × 6,353,714.28
  4. Step 4: Simplify right side
    8,625,628.20x = 82,036,095,657,705.62
  5. Step 5: Solve for x
    x = 82,036,095,657,705.62/8,625,628.20
  6. Step 6: Final answer
    x = 9,510,738.67

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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.