Home / 13,096,318.91-18,073,329.87-7,515,586.39

Finding the Fourth Proportional to 13,096,318.91, 18,073,329.87 and 7,515,586.39

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Solution

The fourth proportional to 13,096,318.91, 18,073,329.87 and 7,515,586.39 is: 10,371,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,318.91 : 18,073,329.87 = 7,515,586.39 : x
  2. Step 2: Convert to fraction form
    13,096,318.91/18,073,329.87 = 7,515,586.39/x
  3. Step 3: Cross multiply
    13,096,318.91x = 18,073,329.87 × 7,515,586.39
  4. Step 4: Simplify right side
    13,096,318.91x = 135,831,671,992,952.47
  5. Step 5: Solve for x
    x = 135,831,671,992,952.47/13,096,318.91
  6. Step 6: Final answer
    x = 10,371,744.38

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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.