Home / 13,096,707.12-18,080,947.26-8,692,405.56

Finding the Fourth Proportional to 13,096,707.12, 18,080,947.26 and 8,692,405.56

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Solution

The fourth proportional to 13,096,707.12, 18,080,947.26 and 8,692,405.56 is: 12,000,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,707.12 : 18,080,947.26 = 8,692,405.56 : x
  2. Step 2: Convert to fraction form
    13,096,707.12/18,080,947.26 = 8,692,405.56/x
  3. Step 3: Cross multiply
    13,096,707.12x = 18,080,947.26 × 8,692,405.56
  4. Step 4: Simplify right side
    13,096,707.12x = 157,166,926,492,890.78
  5. Step 5: Solve for x
    x = 157,166,926,492,890.78/13,096,707.12
  6. Step 6: Final answer
    x = 12,000,491.81

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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.