Home / 13,585,107.84-18,736,835.52-8,425,576.32

Finding the Fourth Proportional to 13,585,107.84, 18,736,835.52 and 8,425,576.32

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Solution

The fourth proportional to 13,585,107.84, 18,736,835.52 and 8,425,576.32 is: 11,620,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,107.84 : 18,736,835.52 = 8,425,576.32 : x
  2. Step 2: Convert to fraction form
    13,585,107.84/18,736,835.52 = 8,425,576.32/x
  3. Step 3: Cross multiply
    13,585,107.84x = 18,736,835.52 × 8,425,576.32
  4. Step 4: Simplify right side
    13,585,107.84x = 157,868,637,669,046.88
  5. Step 5: Solve for x
    x = 157,868,637,669,046.88/13,585,107.84
  6. Step 6: Final answer
    x = 11,620,712.88

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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.