Home / 20,628,251.56-28,460,779.19-12,365,298.95

Finding the Fourth Proportional to 20,628,251.56, 28,460,779.19 and 12,365,298.95

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Solution

The fourth proportional to 20,628,251.56, 28,460,779.19 and 12,365,298.95 is: 17,060,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,251.56 : 28,460,779.19 = 12,365,298.95 : x
  2. Step 2: Convert to fraction form
    20,628,251.56/28,460,779.19 = 12,365,298.95/x
  3. Step 3: Cross multiply
    20,628,251.56x = 28,460,779.19 × 12,365,298.95
  4. Step 4: Simplify right side
    20,628,251.56x = 351,926,043,106,175.06
  5. Step 5: Solve for x
    x = 351,926,043,106,175.06/20,628,251.56
  6. Step 6: Final answer
    x = 17,060,391.28

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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.