Home / 12,464,264-18,696,378.58-6,928,318.76

Finding the Fourth Proportional to 12,464,264, 18,696,378.58 and 6,928,318.76

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Solution

The fourth proportional to 12,464,264, 18,696,378.58 and 6,928,318.76 is: 10,392,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,264 : 18,696,378.58 = 6,928,318.76 : x
  2. Step 2: Convert to fraction form
    12,464,264/18,696,378.58 = 6,928,318.76/x
  3. Step 3: Cross multiply
    12,464,264x = 18,696,378.58 × 6,928,318.76
  4. Step 4: Simplify right side
    12,464,264x = 129,534,470,459,876.14
  5. Step 5: Solve for x
    x = 129,534,470,459,876.14/12,464,264
  6. Step 6: Final answer
    x = 10,392,468.46

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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.