Home / 14,479,834.80-21,719,420.10-7,289,437.80

Finding the Fourth Proportional to 14,479,834.80, 21,719,420.10 and 7,289,437.80

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Solution

The fourth proportional to 14,479,834.80, 21,719,420.10 and 7,289,437.80 is: 10,933,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,834.80 : 21,719,420.10 = 7,289,437.80 : x
  2. Step 2: Convert to fraction form
    14,479,834.80/21,719,420.10 = 7,289,437.80/x
  3. Step 3: Cross multiply
    14,479,834.80x = 21,719,420.10 × 7,289,437.80
  4. Step 4: Simplify right side
    14,479,834.80x = 158,322,361,871,019.78
  5. Step 5: Solve for x
    x = 158,322,361,871,019.78/14,479,834.80
  6. Step 6: Final answer
    x = 10,933,989.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.