Home / 13,023,415.53-17,972,846.87-7,865,769.69

Finding the Fourth Proportional to 13,023,415.53, 17,972,846.87 and 7,865,769.69

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Solution

The fourth proportional to 13,023,415.53, 17,972,846.87 and 7,865,769.69 is: 10,855,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,415.53 : 17,972,846.87 = 7,865,769.69 : x
  2. Step 2: Convert to fraction form
    13,023,415.53/17,972,846.87 = 7,865,769.69/x
  3. Step 3: Cross multiply
    13,023,415.53x = 17,972,846.87 × 7,865,769.69
  4. Step 4: Simplify right side
    13,023,415.53x = 141,370,274,113,728.53
  5. Step 5: Solve for x
    x = 141,370,274,113,728.53/13,023,415.53
  6. Step 6: Final answer
    x = 10,855,084.35

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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.