Home / 10,434,598.40-15,633,235.20-6,440,844.80

Finding the Fourth Proportional to 10,434,598.40, 15,633,235.20 and 6,440,844.80

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Solution

The fourth proportional to 10,434,598.40, 15,633,235.20 and 6,440,844.80 is: 9,649,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,598.40 : 15,633,235.20 = 6,440,844.80 : x
  2. Step 2: Convert to fraction form
    10,434,598.40/15,633,235.20 = 6,440,844.80/x
  3. Step 3: Cross multiply
    10,434,598.40x = 15,633,235.20 × 6,440,844.80
  4. Step 4: Simplify right side
    10,434,598.40x = 100,691,241,645,096.95
  5. Step 5: Solve for x
    x = 100,691,241,645,096.95/10,434,598.40
  6. Step 6: Final answer
    x = 9,649,747.67

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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.