Home / 13,344,534.90-18,415,257.93-7,543,112.94

Finding the Fourth Proportional to 13,344,534.90, 18,415,257.93 and 7,543,112.94

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Solution

The fourth proportional to 13,344,534.90, 18,415,257.93 and 7,543,112.94 is: 10,409,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344,534.90 : 18,415,257.93 = 7,543,112.94 : x
  2. Step 2: Convert to fraction form
    13,344,534.90/18,415,257.93 = 7,543,112.94/x
  3. Step 3: Cross multiply
    13,344,534.90x = 18,415,257.93 × 7,543,112.94
  4. Step 4: Simplify right side
    13,344,534.90x = 138,908,370,385,220.62
  5. Step 5: Solve for x
    x = 138,908,370,385,220.62/13,344,534.90
  6. Step 6: Final answer
    x = 10,409,382.67

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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.