Home / 13,119,184.28-18,104,501.76-7,317,816.32

Finding the Fourth Proportional to 13,119,184.28, 18,104,501.76 and 7,317,816.32

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Solution

The fourth proportional to 13,119,184.28, 18,104,501.76 and 7,317,816.32 is: 10,098,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,184.28 : 18,104,501.76 = 7,317,816.32 : x
  2. Step 2: Convert to fraction form
    13,119,184.28/18,104,501.76 = 7,317,816.32/x
  3. Step 3: Cross multiply
    13,119,184.28x = 18,104,501.76 × 7,317,816.32
  4. Step 4: Simplify right side
    13,119,184.28x = 132,485,418,444,796.73
  5. Step 5: Solve for x
    x = 132,485,418,444,796.73/13,119,184.28
  6. Step 6: Final answer
    x = 10,098,601.84

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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.