Home / 25,728,965.28-38,594,300.40-12,942,502.56

Finding the Fourth Proportional to 25,728,965.28, 38,594,300.40 and 12,942,502.56

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Solution

The fourth proportional to 25,728,965.28, 38,594,300.40 and 12,942,502.56 is: 19,414,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728,965.28 : 38,594,300.40 = 12,942,502.56 : x
  2. Step 2: Convert to fraction form
    25,728,965.28/38,594,300.40 = 12,942,502.56/x
  3. Step 3: Cross multiply
    25,728,965.28x = 38,594,300.40 × 12,942,502.56
  4. Step 4: Simplify right side
    25,728,965.28x = 499,506,831,728,409
  5. Step 5: Solve for x
    x = 499,506,831,728,409/25,728,965.28
  6. Step 6: Final answer
    x = 19,414,182.67

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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.