Home / 20,368,743.56-28,109,605.24-11,668,597.64

Finding the Fourth Proportional to 20,368,743.56, 28,109,605.24 and 11,668,597.64

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Solution

The fourth proportional to 20,368,743.56, 28,109,605.24 and 11,668,597.64 is: 16,103,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,743.56 : 28,109,605.24 = 11,668,597.64 : x
  2. Step 2: Convert to fraction form
    20,368,743.56/28,109,605.24 = 11,668,597.64/x
  3. Step 3: Cross multiply
    20,368,743.56x = 28,109,605.24 × 11,668,597.64
  4. Step 4: Simplify right side
    20,368,743.56x = 327,999,673,364,795.62
  5. Step 5: Solve for x
    x = 327,999,673,364,795.62/20,368,743.56
  6. Step 6: Final answer
    x = 16,103,088.17

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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.