Home / 20,370,426.62-28,104,301.77-11,548,931.54

Finding the Fourth Proportional to 20,370,426.62, 28,104,301.77 and 11,548,931.54

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Solution

The fourth proportional to 20,370,426.62, 28,104,301.77 and 11,548,931.54 is: 15,933,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,426.62 : 28,104,301.77 = 11,548,931.54 : x
  2. Step 2: Convert to fraction form
    20,370,426.62/28,104,301.77 = 11,548,931.54/x
  3. Step 3: Cross multiply
    20,370,426.62x = 28,104,301.77 × 11,548,931.54
  4. Step 4: Simplify right side
    20,370,426.62x = 324,574,657,121,230.81
  5. Step 5: Solve for x
    x = 324,574,657,121,230.81/20,370,426.62
  6. Step 6: Final answer
    x = 15,933,620.99

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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.