Home / 13,872,760.64-19,144,268.64-7,677,819.38

Finding the Fourth Proportional to 13,872,760.64, 19,144,268.64 and 7,677,819.38

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Solution

The fourth proportional to 13,872,760.64, 19,144,268.64 and 7,677,819.38 is: 10,595,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,760.64 : 19,144,268.64 = 7,677,819.38 : x
  2. Step 2: Convert to fraction form
    13,872,760.64/19,144,268.64 = 7,677,819.38/x
  3. Step 3: Cross multiply
    13,872,760.64x = 19,144,268.64 × 7,677,819.38
  4. Step 4: Simplify right side
    13,872,760.64x = 146,986,236,684,396.91
  5. Step 5: Solve for x
    x = 146,986,236,684,396.91/13,872,760.64
  6. Step 6: Final answer
    x = 10,595,312.68

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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.