Home / 13,468,057.80-20,202,086.70-9,429,106.20

Finding the Fourth Proportional to 13,468,057.80, 20,202,086.70 and 9,429,106.20

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Solution

The fourth proportional to 13,468,057.80, 20,202,086.70 and 9,429,106.20 is: 14,143,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,057.80 : 20,202,086.70 = 9,429,106.20 : x
  2. Step 2: Convert to fraction form
    13,468,057.80/20,202,086.70 = 9,429,106.20/x
  3. Step 3: Cross multiply
    13,468,057.80x = 20,202,086.70 × 9,429,106.20
  4. Step 4: Simplify right side
    13,468,057.80x = 190,487,620,955,907.53
  5. Step 5: Solve for x
    x = 190,487,620,955,907.53/13,468,057.80
  6. Step 6: Final answer
    x = 14,143,659.30

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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.