Home / 21,664,211.20-32,536,789.88-19,071,435.24

Finding the Fourth Proportional to 21,664,211.20, 32,536,789.88 and 19,071,435.24

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Solution

The fourth proportional to 21,664,211.20, 32,536,789.88 and 19,071,435.24 is: 28,642,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664,211.20 : 32,536,789.88 = 19,071,435.24 : x
  2. Step 2: Convert to fraction form
    21,664,211.20/32,536,789.88 = 19,071,435.24/x
  3. Step 3: Cross multiply
    21,664,211.20x = 32,536,789.88 × 19,071,435.24
  4. Step 4: Simplify right side
    21,664,211.20x = 620,523,281,113,907.25
  5. Step 5: Solve for x
    x = 620,523,281,113,907.25/21,664,211.20
  6. Step 6: Final answer
    x = 28,642,782.12

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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.