Home / 30,867,286.92-42,597,638.02-16,929,196.93

Finding the Fourth Proportional to 30,867,286.92, 42,597,638.02 and 16,929,196.93

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Solution

The fourth proportional to 30,867,286.92, 42,597,638.02 and 16,929,196.93 is: 23,362,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867,286.92 : 42,597,638.02 = 16,929,196.93 : x
  2. Step 2: Convert to fraction form
    30,867,286.92/42,597,638.02 = 16,929,196.93/x
  3. Step 3: Cross multiply
    30,867,286.92x = 42,597,638.02 × 16,929,196.93
  4. Step 4: Simplify right side
    30,867,286.92x = 721,143,802,772,617
  5. Step 5: Solve for x
    x = 721,143,802,772,617/30,867,286.92
  6. Step 6: Final answer
    x = 23,362,720.69

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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.