Home / 19,145,322-28,718,233.02-6,365,826.45

Finding the Fourth Proportional to 19,145,322, 28,718,233.02 and 6,365,826.45

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Solution

The fourth proportional to 19,145,322, 28,718,233.02 and 6,365,826.45 is: 9,548,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145,322 : 28,718,233.02 = 6,365,826.45 : x
  2. Step 2: Convert to fraction form
    19,145,322/28,718,233.02 = 6,365,826.45/x
  3. Step 3: Cross multiply
    19,145,322x = 28,718,233.02 × 6,365,826.45
  4. Step 4: Simplify right side
    19,145,322x = 182,815,287,355,979.38
  5. Step 5: Solve for x
    x = 182,815,287,355,979.38/19,145,322
  6. Step 6: Final answer
    x = 9,548,822.81

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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.