Home / 20,268,491.36-27,970,970.72-11,566,490.72

Finding the Fourth Proportional to 20,268,491.36, 27,970,970.72 and 11,566,490.72

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Solution

The fourth proportional to 20,268,491.36, 27,970,970.72 and 11,566,490.72 is: 15,962,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,491.36 : 27,970,970.72 = 11,566,490.72 : x
  2. Step 2: Convert to fraction form
    20,268,491.36/27,970,970.72 = 11,566,490.72/x
  3. Step 3: Cross multiply
    20,268,491.36x = 27,970,970.72 × 11,566,490.72
  4. Step 4: Simplify right side
    20,268,491.36x = 323,525,973,262,271.75
  5. Step 5: Solve for x
    x = 323,525,973,262,271.75/20,268,491.36
  6. Step 6: Final answer
    x = 15,962,015.50

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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.