Home / 12,612,599.28-17,405,386.34-6,811,380.46

Finding the Fourth Proportional to 12,612,599.28, 17,405,386.34 and 6,811,380.46

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Solution

The fourth proportional to 12,612,599.28, 17,405,386.34 and 6,811,380.46 is: 9,399,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,599.28 : 17,405,386.34 = 6,811,380.46 : x
  2. Step 2: Convert to fraction form
    12,612,599.28/17,405,386.34 = 6,811,380.46/x
  3. Step 3: Cross multiply
    12,612,599.28x = 17,405,386.34 × 6,811,380.46
  4. Step 4: Simplify right side
    12,612,599.28x = 118,554,708,337,456.55
  5. Step 5: Solve for x
    x = 118,554,708,337,456.55/12,612,599.28
  6. Step 6: Final answer
    x = 9,399,704.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.