Home / 20,600,528.84-28,427,405.46-11,433,177.80

Finding the Fourth Proportional to 20,600,528.84, 28,427,405.46 and 11,433,177.80

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Solution

The fourth proportional to 20,600,528.84, 28,427,405.46 and 11,433,177.80 is: 15,777,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600,528.84 : 28,427,405.46 = 11,433,177.80 : x
  2. Step 2: Convert to fraction form
    20,600,528.84/28,427,405.46 = 11,433,177.80/x
  3. Step 3: Cross multiply
    20,600,528.84x = 28,427,405.46 × 11,433,177.80
  4. Step 4: Simplify right side
    20,600,528.84x = 325,015,581,016,870.81
  5. Step 5: Solve for x
    x = 325,015,581,016,870.81/20,600,528.84
  6. Step 6: Final answer
    x = 15,777,050.36

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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.