Home / 18,816,499.20-28,224,748.80-16,129,113.60

Finding the Fourth Proportional to 18,816,499.20, 28,224,748.80 and 16,129,113.60

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Solution

The fourth proportional to 18,816,499.20, 28,224,748.80 and 16,129,113.60 is: 24,193,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,499.20 : 28,224,748.80 = 16,129,113.60 : x
  2. Step 2: Convert to fraction form
    18,816,499.20/28,224,748.80 = 16,129,113.60/x
  3. Step 3: Cross multiply
    18,816,499.20x = 28,224,748.80 × 16,129,113.60
  4. Step 4: Simplify right side
    18,816,499.20x = 455,240,179,726,663.69
  5. Step 5: Solve for x
    x = 455,240,179,726,663.69/18,816,499.20
  6. Step 6: Final answer
    x = 24,193,670.40

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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.