Home / 12,809,069.32-19,213,580.59-4,173,159.57

Finding the Fourth Proportional to 12,809,069.32, 19,213,580.59 and 4,173,159.57

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Solution

The fourth proportional to 12,809,069.32, 19,213,580.59 and 4,173,159.57 is: 6,259,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,069.32 : 19,213,580.59 = 4,173,159.57 : x
  2. Step 2: Convert to fraction form
    12,809,069.32/19,213,580.59 = 4,173,159.57/x
  3. Step 3: Cross multiply
    12,809,069.32x = 19,213,580.59 × 4,173,159.57
  4. Step 4: Simplify right side
    12,809,069.32x = 80,181,337,713,124.75
  5. Step 5: Solve for x
    x = 80,181,337,713,124.75/12,809,069.32
  6. Step 6: Final answer
    x = 6,259,731.73

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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.