Home / 18,795,666.16-28,193,523.98-5,148,933.88

Finding the Fourth Proportional to 18,795,666.16, 28,193,523.98 and 5,148,933.88

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Solution

The fourth proportional to 18,795,666.16, 28,193,523.98 and 5,148,933.88 is: 7,723,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,666.16 : 28,193,523.98 = 5,148,933.88 : x
  2. Step 2: Convert to fraction form
    18,795,666.16/28,193,523.98 = 5,148,933.88/x
  3. Step 3: Cross multiply
    18,795,666.16x = 28,193,523.98 × 5,148,933.88
  4. Step 4: Simplify right side
    18,795,666.16x = 145,166,590,817,214.44
  5. Step 5: Solve for x
    x = 145,166,590,817,214.44/18,795,666.16
  6. Step 6: Final answer
    x = 7,723,407.60

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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.