Home / 13,194,990.93-18,209,063.46-8,038,352.34

Finding the Fourth Proportional to 13,194,990.93, 18,209,063.46 and 8,038,352.34

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Solution

The fourth proportional to 13,194,990.93, 18,209,063.46 and 8,038,352.34 is: 11,092,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,990.93 : 18,209,063.46 = 8,038,352.34 : x
  2. Step 2: Convert to fraction form
    13,194,990.93/18,209,063.46 = 8,038,352.34/x
  3. Step 3: Cross multiply
    13,194,990.93x = 18,209,063.46 × 8,038,352.34
  4. Step 4: Simplify right side
    13,194,990.93x = 146,370,867,872,899.50
  5. Step 5: Solve for x
    x = 146,370,867,872,899.50/13,194,990.93
  6. Step 6: Final answer
    x = 11,092,911.59

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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.