Home / 12,696,064.20-19,044,096.30-12,507,107.40

Finding the Fourth Proportional to 12,696,064.20, 19,044,096.30 and 12,507,107.40

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Solution

The fourth proportional to 12,696,064.20, 19,044,096.30 and 12,507,107.40 is: 18,760,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,064.20 : 19,044,096.30 = 12,507,107.40 : x
  2. Step 2: Convert to fraction form
    12,696,064.20/19,044,096.30 = 12,507,107.40/x
  3. Step 3: Cross multiply
    12,696,064.20x = 19,044,096.30 × 12,507,107.40
  4. Step 4: Simplify right side
    12,696,064.20x = 238,186,557,760,042.62
  5. Step 5: Solve for x
    x = 238,186,557,760,042.62/12,696,064.20
  6. Step 6: Final answer
    x = 18,760,661.10

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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.