Home / 8,231,955.85-12,289,206.05-7,684,902.41

Finding the Fourth Proportional to 8,231,955.85, 12,289,206.05 and 7,684,902.41

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Solution

The fourth proportional to 8,231,955.85, 12,289,206.05 and 7,684,902.41 is: 11,472,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,955.85 : 12,289,206.05 = 7,684,902.41 : x
  2. Step 2: Convert to fraction form
    8,231,955.85/12,289,206.05 = 7,684,902.41/x
  3. Step 3: Cross multiply
    8,231,955.85x = 12,289,206.05 × 7,684,902.41
  4. Step 4: Simplify right side
    8,231,955.85x = 94,441,349,119,579.42
  5. Step 5: Solve for x
    x = 94,441,349,119,579.42/8,231,955.85
  6. Step 6: Final answer
    x = 11,472,528.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.