Home / 19,585,090.80-29,377,636.20-13,538,473.20

Finding the Fourth Proportional to 19,585,090.80, 29,377,636.20 and 13,538,473.20

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Solution

The fourth proportional to 19,585,090.80, 29,377,636.20 and 13,538,473.20 is: 20,307,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,090.80 : 29,377,636.20 = 13,538,473.20 : x
  2. Step 2: Convert to fraction form
    19,585,090.80/29,377,636.20 = 13,538,473.20/x
  3. Step 3: Cross multiply
    19,585,090.80x = 29,377,636.20 × 13,538,473.20
  4. Step 4: Simplify right side
    19,585,090.80x = 397,728,340,373,049.81
  5. Step 5: Solve for x
    x = 397,728,340,373,049.81/19,585,090.80
  6. Step 6: Final answer
    x = 20,307,709.80

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1.5x scale

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.