Home / 13,598,340-18,782,560.68-9,871,222.44

Finding the Fourth Proportional to 13,598,340, 18,782,560.68 and 9,871,222.44

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Solution

The fourth proportional to 13,598,340, 18,782,560.68 and 9,871,222.44 is: 13,634,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598,340 : 18,782,560.68 = 9,871,222.44 : x
  2. Step 2: Convert to fraction form
    13,598,340/18,782,560.68 = 9,871,222.44/x
  3. Step 3: Cross multiply
    13,598,340x = 18,782,560.68 × 9,871,222.44
  4. Step 4: Simplify right side
    13,598,340x = 185,406,834,465,077.66
  5. Step 5: Solve for x
    x = 185,406,834,465,077.66/13,598,340
  6. Step 6: Final answer
    x = 13,634,519.69

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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.