Home / 20,501,426.53-28,292,559.10-11,334,659.77

Finding the Fourth Proportional to 20,501,426.53, 28,292,559.10 and 11,334,659.77

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Solution

The fourth proportional to 20,501,426.53, 28,292,559.10 and 11,334,659.77 is: 15,642,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,426.53 : 28,292,559.10 = 11,334,659.77 : x
  2. Step 2: Convert to fraction form
    20,501,426.53/28,292,559.10 = 11,334,659.77/x
  3. Step 3: Cross multiply
    20,501,426.53x = 28,292,559.10 × 11,334,659.77
  4. Step 4: Simplify right side
    20,501,426.53x = 320,686,531,491,903.94
  5. Step 5: Solve for x
    x = 320,686,531,491,903.94/20,501,426.53
  6. Step 6: Final answer
    x = 15,642,156.95

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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.