Home / 20,482,627.42-30,713,356.05-7,525,468.90

Finding the Fourth Proportional to 20,482,627.42, 30,713,356.05 and 7,525,468.90

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Solution

The fourth proportional to 20,482,627.42, 30,713,356.05 and 7,525,468.90 is: 11,284,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482,627.42 : 30,713,356.05 = 7,525,468.90 : x
  2. Step 2: Convert to fraction form
    20,482,627.42/30,713,356.05 = 7,525,468.90/x
  3. Step 3: Cross multiply
    20,482,627.42x = 30,713,356.05 × 7,525,468.90
  4. Step 4: Simplify right side
    20,482,627.42x = 231,132,405,768,901.88
  5. Step 5: Solve for x
    x = 231,132,405,768,901.88/20,482,627.42
  6. Step 6: Final answer
    x = 11,284,314.31

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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.