Home / 20,477,223.92-28,256,151.84-11,309,319.92

Finding the Fourth Proportional to 20,477,223.92, 28,256,151.84 and 11,309,319.92

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Solution

The fourth proportional to 20,477,223.92, 28,256,151.84 and 11,309,319.92 is: 15,605,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,223.92 : 28,256,151.84 = 11,309,319.92 : x
  2. Step 2: Convert to fraction form
    20,477,223.92/28,256,151.84 = 11,309,319.92/x
  3. Step 3: Cross multiply
    20,477,223.92x = 28,256,151.84 × 11,309,319.92
  4. Step 4: Simplify right side
    20,477,223.92x = 319,557,860,866,656.62
  5. Step 5: Solve for x
    x = 319,557,860,866,656.62/20,477,223.92
  6. Step 6: Final answer
    x = 15,605,526.52

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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.