Home / 15,527,078.28-21,427,452.96-9,004,574.88

Finding the Fourth Proportional to 15,527,078.28, 21,427,452.96 and 9,004,574.88

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Solution

The fourth proportional to 15,527,078.28, 21,427,452.96 and 9,004,574.88 is: 12,426,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,078.28 : 21,427,452.96 = 9,004,574.88 : x
  2. Step 2: Convert to fraction form
    15,527,078.28/21,427,452.96 = 9,004,574.88/x
  3. Step 3: Cross multiply
    15,527,078.28x = 21,427,452.96 × 9,004,574.88
  4. Step 4: Simplify right side
    15,527,078.28x = 192,945,104,665,997.66
  5. Step 5: Solve for x
    x = 192,945,104,665,997.66/15,527,078.28
  6. Step 6: Final answer
    x = 12,426,362.59

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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.