Home / 13,764,611.52-18,995,651.72-7,570,137.15

Finding the Fourth Proportional to 13,764,611.52, 18,995,651.72 and 7,570,137.15

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Solution

The fourth proportional to 13,764,611.52, 18,995,651.72 and 7,570,137.15 is: 10,447,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,611.52 : 18,995,651.72 = 7,570,137.15 : x
  2. Step 2: Convert to fraction form
    13,764,611.52/18,995,651.72 = 7,570,137.15/x
  3. Step 3: Cross multiply
    13,764,611.52x = 18,995,651.72 × 7,570,137.15
  4. Step 4: Simplify right side
    13,764,611.52x = 143,799,688,774,033.41
  5. Step 5: Solve for x
    x = 143,799,688,774,033.41/13,764,611.52
  6. Step 6: Final answer
    x = 10,447,057.56

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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.