Home / 13,809,323.06-20,719,957.88-7,412,102.02

Finding the Fourth Proportional to 13,809,323.06, 20,719,957.88 and 7,412,102.02

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Solution

The fourth proportional to 13,809,323.06, 20,719,957.88 and 7,412,102.02 is: 11,121,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809,323.06 : 20,719,957.88 = 7,412,102.02 : x
  2. Step 2: Convert to fraction form
    13,809,323.06/20,719,957.88 = 7,412,102.02/x
  3. Step 3: Cross multiply
    13,809,323.06x = 20,719,957.88 × 7,412,102.02
  4. Step 4: Simplify right side
    13,809,323.06x = 153,578,441,656,662.91
  5. Step 5: Solve for x
    x = 153,578,441,656,662.91/13,809,323.06
  6. Step 6: Final answer
    x = 11,121,359.17

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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.