Home / 20,362,449.54-28,099,457.36-11,195,025.54

Finding the Fourth Proportional to 20,362,449.54, 28,099,457.36 and 11,195,025.54

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Solution

The fourth proportional to 20,362,449.54, 28,099,457.36 and 11,195,025.54 is: 15,448,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,449.54 : 28,099,457.36 = 11,195,025.54 : x
  2. Step 2: Convert to fraction form
    20,362,449.54/28,099,457.36 = 11,195,025.54/x
  3. Step 3: Cross multiply
    20,362,449.54x = 28,099,457.36 × 11,195,025.54
  4. Step 4: Simplify right side
    20,362,449.54x = 314,574,142,805,340.94
  5. Step 5: Solve for x
    x = 314,574,142,805,340.94/20,362,449.54
  6. Step 6: Final answer
    x = 15,448,737.75

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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.