Home / 20,119,419-27,764,801.46-10,952,130.60

Finding the Fourth Proportional to 20,119,419, 27,764,801.46 and 10,952,130.60

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Solution

The fourth proportional to 20,119,419, 27,764,801.46 and 10,952,130.60 is: 15,113,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,419 : 27,764,801.46 = 10,952,130.60 : x
  2. Step 2: Convert to fraction form
    20,119,419/27,764,801.46 = 10,952,130.60/x
  3. Step 3: Cross multiply
    20,119,419x = 27,764,801.46 × 10,952,130.60
  4. Step 4: Simplify right side
    20,119,419x = 304,083,731,672,990.69
  5. Step 5: Solve for x
    x = 304,083,731,672,990.69/20,119,419
  6. Step 6: Final answer
    x = 15,113,941.99

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1.5x scale

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.