Home / 19,602,400.50-27,047,085.60-11,867,768.82

Finding the Fourth Proportional to 19,602,400.50, 27,047,085.60 and 11,867,768.82

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Solution

The fourth proportional to 19,602,400.50, 27,047,085.60 and 11,867,768.82 is: 16,374,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602,400.50 : 27,047,085.60 = 11,867,768.82 : x
  2. Step 2: Convert to fraction form
    19,602,400.50/27,047,085.60 = 11,867,768.82/x
  3. Step 3: Cross multiply
    19,602,400.50x = 27,047,085.60 × 11,867,768.82
  4. Step 4: Simplify right side
    19,602,400.50x = 320,988,559,155,551
  5. Step 5: Solve for x
    x = 320,988,559,155,551/19,602,400.50
  6. Step 6: Final answer
    x = 16,374,961.79

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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.