Home / 20,637,005.40-30,920,078.70-13,444,837.20

Finding the Fourth Proportional to 20,637,005.40, 30,920,078.70 and 13,444,837.20

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Solution

The fourth proportional to 20,637,005.40, 30,920,078.70 and 13,444,837.20 is: 20,144,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637,005.40 : 30,920,078.70 = 13,444,837.20 : x
  2. Step 2: Convert to fraction form
    20,637,005.40/30,920,078.70 = 13,444,837.20/x
  3. Step 3: Cross multiply
    20,637,005.40x = 30,920,078.70 × 13,444,837.20
  4. Step 4: Simplify right side
    20,637,005.40x = 415,715,424,332,687.62
  5. Step 5: Solve for x
    x = 415,715,424,332,687.62/20,637,005.40
  6. Step 6: Final answer
    x = 20,144,173.84

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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.