Home / 18,805,905.70-28,208,858.55-6,035,575.30

Finding the Fourth Proportional to 18,805,905.70, 28,208,858.55 and 6,035,575.30

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Solution

The fourth proportional to 18,805,905.70, 28,208,858.55 and 6,035,575.30 is: 9,053,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,905.70 : 28,208,858.55 = 6,035,575.30 : x
  2. Step 2: Convert to fraction form
    18,805,905.70/28,208,858.55 = 6,035,575.30/x
  3. Step 3: Cross multiply
    18,805,905.70x = 28,208,858.55 × 6,035,575.30
  4. Step 4: Simplify right side
    18,805,905.70x = 170,256,689,905,573.81
  5. Step 5: Solve for x
    x = 170,256,689,905,573.81/18,805,905.70
  6. Step 6: Final answer
    x = 9,053,362.95

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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.