Home / 13,201,217.54-18,219,548.02-7,322,151.50

Finding the Fourth Proportional to 13,201,217.54, 18,219,548.02 and 7,322,151.50

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Solution

The fourth proportional to 13,201,217.54, 18,219,548.02 and 7,322,151.50 is: 10,105,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201,217.54 : 18,219,548.02 = 7,322,151.50 : x
  2. Step 2: Convert to fraction form
    13,201,217.54/18,219,548.02 = 7,322,151.50/x
  3. Step 3: Cross multiply
    13,201,217.54x = 18,219,548.02 × 7,322,151.50
  4. Step 4: Simplify right side
    13,201,217.54x = 133,406,290,863,965.03
  5. Step 5: Solve for x
    x = 133,406,290,863,965.03/13,201,217.54
  6. Step 6: Final answer
    x = 10,105,605.07

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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.