Home / 20,172,327.40-30,223,061.70-16,558,528.60

Finding the Fourth Proportional to 20,172,327.40, 30,223,061.70 and 16,558,528.60

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Solution

The fourth proportional to 20,172,327.40, 30,223,061.70 and 16,558,528.60 is: 24,808,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172,327.40 : 30,223,061.70 = 16,558,528.60 : x
  2. Step 2: Convert to fraction form
    20,172,327.40/30,223,061.70 = 16,558,528.60/x
  3. Step 3: Cross multiply
    20,172,327.40x = 30,223,061.70 × 16,558,528.60
  4. Step 4: Simplify right side
    20,172,327.40x = 500,449,431,539,014.62
  5. Step 5: Solve for x
    x = 500,449,431,539,014.62/20,172,327.40
  6. Step 6: Final answer
    x = 24,808,710.55

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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.