Home / 19,180,662.27-28,789,182.77-11,872,014.02

Finding the Fourth Proportional to 19,180,662.27, 28,789,182.77 and 11,872,014.02

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Solution

The fourth proportional to 19,180,662.27, 28,789,182.77 and 11,872,014.02 is: 17,819,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180,662.27 : 28,789,182.77 = 11,872,014.02 : x
  2. Step 2: Convert to fraction form
    19,180,662.27/28,789,182.77 = 11,872,014.02/x
  3. Step 3: Cross multiply
    19,180,662.27x = 28,789,182.77 × 11,872,014.02
  4. Step 4: Simplify right side
    19,180,662.27x = 341,785,581,482,395.38
  5. Step 5: Solve for x
    x = 341,785,581,482,395.38/19,180,662.27
  6. Step 6: Final answer
    x = 17,819,279.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.