Home / 13,217,245.46-19,822,505.13-4,117,646.92

Finding the Fourth Proportional to 13,217,245.46, 19,822,505.13 and 4,117,646.92

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Solution

The fourth proportional to 13,217,245.46, 19,822,505.13 and 4,117,646.92 is: 6,175,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,245.46 : 19,822,505.13 = 4,117,646.92 : x
  2. Step 2: Convert to fraction form
    13,217,245.46/19,822,505.13 = 4,117,646.92/x
  3. Step 3: Cross multiply
    13,217,245.46x = 19,822,505.13 × 4,117,646.92
  4. Step 4: Simplify right side
    13,217,245.46x = 81,622,077,195,228.69
  5. Step 5: Solve for x
    x = 81,622,077,195,228.69/13,217,245.46
  6. Step 6: Final answer
    x = 6,175,422.67

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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.