Home / 19,686,233.20-29,529,349.80-18,835,927.60

Finding the Fourth Proportional to 19,686,233.20, 29,529,349.80 and 18,835,927.60

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Solution

The fourth proportional to 19,686,233.20, 29,529,349.80 and 18,835,927.60 is: 28,253,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,233.20 : 29,529,349.80 = 18,835,927.60 : x
  2. Step 2: Convert to fraction form
    19,686,233.20/29,529,349.80 = 18,835,927.60/x
  3. Step 3: Cross multiply
    19,686,233.20x = 29,529,349.80 × 18,835,927.60
  4. Step 4: Simplify right side
    19,686,233.20x = 556,212,694,907,874.56
  5. Step 5: Solve for x
    x = 556,212,694,907,874.56/19,686,233.20
  6. Step 6: Final answer
    x = 28,253,891.40

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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.