Home / 13,900,505.32-19,171,322.58-9,784,163.08

Finding the Fourth Proportional to 13,900,505.32, 19,171,322.58 and 9,784,163.08

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Solution

The fourth proportional to 13,900,505.32, 19,171,322.58 and 9,784,163.08 is: 13,494,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,505.32 : 19,171,322.58 = 9,784,163.08 : x
  2. Step 2: Convert to fraction form
    13,900,505.32/19,171,322.58 = 9,784,163.08/x
  3. Step 3: Cross multiply
    13,900,505.32x = 19,171,322.58 × 9,784,163.08
  4. Step 4: Simplify right side
    13,900,505.32x = 187,575,346,582,006.34
  5. Step 5: Solve for x
    x = 187,575,346,582,006.34/13,900,505.32
  6. Step 6: Final answer
    x = 13,494,138.69

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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.