Home / 12,648,428.84-17,454,828.12-6,847,206.32

Finding the Fourth Proportional to 12,648,428.84, 17,454,828.12 and 6,847,206.32

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Solution

The fourth proportional to 12,648,428.84, 17,454,828.12 and 6,847,206.32 is: 9,449,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,428.84 : 17,454,828.12 = 6,847,206.32 : x
  2. Step 2: Convert to fraction form
    12,648,428.84/17,454,828.12 = 6,847,206.32/x
  3. Step 3: Cross multiply
    12,648,428.84x = 17,454,828.12 × 6,847,206.32
  4. Step 4: Simplify right side
    12,648,428.84x = 119,516,809,417,777.73
  5. Step 5: Solve for x
    x = 119,516,809,417,777.73/12,648,428.84
  6. Step 6: Final answer
    x = 9,449,142.73

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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.