Home / 20,302,256.16-28,014,530.64-11,600,992.80

Finding the Fourth Proportional to 20,302,256.16, 28,014,530.64 and 11,600,992.80

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Solution

The fourth proportional to 20,302,256.16, 28,014,530.64 and 11,600,992.80 is: 16,007,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302,256.16 : 28,014,530.64 = 11,600,992.80 : x
  2. Step 2: Convert to fraction form
    20,302,256.16/28,014,530.64 = 11,600,992.80/x
  3. Step 3: Cross multiply
    20,302,256.16x = 28,014,530.64 × 11,600,992.80
  4. Step 4: Simplify right side
    20,302,256.16x = 324,996,368,250,019.44
  5. Step 5: Solve for x
    x = 324,996,368,250,019.44/20,302,256.16
  6. Step 6: Final answer
    x = 16,007,894.18

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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.