Home / 20,501,435.28-28,292,571.18-11,334,668.52

Finding the Fourth Proportional to 20,501,435.28, 28,292,571.18 and 11,334,668.52

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Solution

The fourth proportional to 20,501,435.28, 28,292,571.18 and 11,334,668.52 is: 15,642,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,435.28 : 28,292,571.18 = 11,334,668.52 : x
  2. Step 2: Convert to fraction form
    20,501,435.28/28,292,571.18 = 11,334,668.52/x
  3. Step 3: Cross multiply
    20,501,435.28x = 28,292,571.18 × 11,334,668.52
  4. Step 4: Simplify right side
    20,501,435.28x = 320,686,915,903,805.25
  5. Step 5: Solve for x
    x = 320,686,915,903,805.25/20,501,435.28
  6. Step 6: Final answer
    x = 15,642,169.02

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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.