Home / 13,665,378.46-18,846,000.03-11,338,580.26

Finding the Fourth Proportional to 13,665,378.46, 18,846,000.03 and 11,338,580.26

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Solution

The fourth proportional to 13,665,378.46, 18,846,000.03 and 11,338,580.26 is: 15,637,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,378.46 : 18,846,000.03 = 11,338,580.26 : x
  2. Step 2: Convert to fraction form
    13,665,378.46/18,846,000.03 = 11,338,580.26/x
  3. Step 3: Cross multiply
    13,665,378.46x = 18,846,000.03 × 11,338,580.26
  4. Step 4: Simplify right side
    13,665,378.46x = 213,686,883,920,117.41
  5. Step 5: Solve for x
    x = 213,686,883,920,117.41/13,665,378.46
  6. Step 6: Final answer
    x = 15,637,099.59

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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.