Home / 19,969,216.20-29,936,328.30-13,558,681.80

Finding the Fourth Proportional to 19,969,216.20, 29,936,328.30 and 13,558,681.80

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Solution

The fourth proportional to 19,969,216.20, 29,936,328.30 and 13,558,681.80 is: 20,326,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969,216.20 : 29,936,328.30 = 13,558,681.80 : x
  2. Step 2: Convert to fraction form
    19,969,216.20/29,936,328.30 = 13,558,681.80/x
  3. Step 3: Cross multiply
    19,969,216.20x = 29,936,328.30 × 13,558,681.80
  4. Step 4: Simplify right side
    19,969,216.20x = 405,897,149,680,035
  5. Step 5: Solve for x
    x = 405,897,149,680,035/19,969,216.20
  6. Step 6: Final answer
    x = 20,326,143.28

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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.