Home / 19,319,975.55-28,979,759.21-4,942,929.15

Finding the Fourth Proportional to 19,319,975.55, 28,979,759.21 and 4,942,929.15

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Solution

The fourth proportional to 19,319,975.55, 28,979,759.21 and 4,942,929.15 is: 7,414,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,975.55 : 28,979,759.21 = 4,942,929.15 : x
  2. Step 2: Convert to fraction form
    19,319,975.55/28,979,759.21 = 4,942,929.15/x
  3. Step 3: Cross multiply
    19,319,975.55x = 28,979,759.21 × 4,942,929.15
  4. Step 4: Simplify right side
    19,319,975.55x = 143,244,896,534,375.31
  5. Step 5: Solve for x
    x = 143,244,896,534,375.31/19,319,975.55
  6. Step 6: Final answer
    x = 7,414,341.50

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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.