Home / 30,522,638.23-42,121,231.09-16,772,488.09

Finding the Fourth Proportional to 30,522,638.23, 42,121,231.09 and 16,772,488.09

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Solution

The fourth proportional to 30,522,638.23, 42,121,231.09 and 16,772,488.09 is: 23,146,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522,638.23 : 42,121,231.09 = 16,772,488.09 : x
  2. Step 2: Convert to fraction form
    30,522,638.23/42,121,231.09 = 16,772,488.09/x
  3. Step 3: Cross multiply
    30,522,638.23x = 42,121,231.09 × 16,772,488.09
  4. Step 4: Simplify right side
    30,522,638.23x = 706,477,846,645,928.38
  5. Step 5: Solve for x
    x = 706,477,846,645,928.38/30,522,638.23
  6. Step 6: Final answer
    x = 23,146,028.25

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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.