Home / 38,188,151.88-52,699,646.67-20,784,621.88

Finding the Fourth Proportional to 38,188,151.88, 52,699,646.67 and 20,784,621.88

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Solution

The fourth proportional to 38,188,151.88, 52,699,646.67 and 20,784,621.88 is: 28,682,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,151.88 : 52,699,646.67 = 20,784,621.88 : x
  2. Step 2: Convert to fraction form
    38,188,151.88/52,699,646.67 = 20,784,621.88/x
  3. Step 3: Cross multiply
    38,188,151.88x = 52,699,646.67 × 20,784,621.88
  4. Step 4: Simplify right side
    38,188,151.88x = 1,095,342,229,141,628
  5. Step 5: Solve for x
    x = 1,095,342,229,141,628/38,188,151.88
  6. Step 6: Final answer
    x = 28,682,776.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.