Home / 27,678,869.40-41,518,304.10-13,298,469.60

Finding the Fourth Proportional to 27,678,869.40, 41,518,304.10 and 13,298,469.60

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Solution

The fourth proportional to 27,678,869.40, 41,518,304.10 and 13,298,469.60 is: 19,947,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678,869.40 : 41,518,304.10 = 13,298,469.60 : x
  2. Step 2: Convert to fraction form
    27,678,869.40/41,518,304.10 = 13,298,469.60/x
  3. Step 3: Cross multiply
    27,678,869.40x = 41,518,304.10 × 13,298,469.60
  4. Step 4: Simplify right side
    27,678,869.40x = 552,129,904,917,405.38
  5. Step 5: Solve for x
    x = 552,129,904,917,405.38/27,678,869.40
  6. Step 6: Final answer
    x = 19,947,704.40

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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.