Home / 25,728,984.28-38,594,328.90-12,942,521.56

Finding the Fourth Proportional to 25,728,984.28, 38,594,328.90 and 12,942,521.56

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Solution

The fourth proportional to 25,728,984.28, 38,594,328.90 and 12,942,521.56 is: 19,414,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728,984.28 : 38,594,328.90 = 12,942,521.56 : x
  2. Step 2: Convert to fraction form
    25,728,984.28/38,594,328.90 = 12,942,521.56/x
  3. Step 3: Cross multiply
    25,728,984.28x = 38,594,328.90 × 12,942,521.56
  4. Step 4: Simplify right side
    25,728,984.28x = 499,507,933,881,981.06
  5. Step 5: Solve for x
    x = 499,507,933,881,981.06/25,728,984.28
  6. Step 6: Final answer
    x = 19,414,211.17

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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.