Home / 20,503,049.33-28,301,327.69-11,804,688.77

Finding the Fourth Proportional to 20,503,049.33, 28,301,327.69 and 11,804,688.77

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Solution

The fourth proportional to 20,503,049.33, 28,301,327.69 and 11,804,688.77 is: 16,294,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,049.33 : 28,301,327.69 = 11,804,688.77 : x
  2. Step 2: Convert to fraction form
    20,503,049.33/28,301,327.69 = 11,804,688.77/x
  3. Step 3: Cross multiply
    20,503,049.33x = 28,301,327.69 × 11,804,688.77
  4. Step 4: Simplify right side
    20,503,049.33x = 334,088,364,957,702.94
  5. Step 5: Solve for x
    x = 334,088,364,957,702.94/20,503,049.33
  6. Step 6: Final answer
    x = 16,294,569.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.