Home / 30,890,616.30-46,327,630.05-12,936,005.10

Finding the Fourth Proportional to 30,890,616.30, 46,327,630.05 and 12,936,005.10

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Solution

The fourth proportional to 30,890,616.30, 46,327,630.05 and 12,936,005.10 is: 19,400,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890,616.30 : 46,327,630.05 = 12,936,005.10 : x
  2. Step 2: Convert to fraction form
    30,890,616.30/46,327,630.05 = 12,936,005.10/x
  3. Step 3: Cross multiply
    30,890,616.30x = 46,327,630.05 × 12,936,005.10
  4. Step 4: Simplify right side
    30,890,616.30x = 599,294,458,597,713.25
  5. Step 5: Solve for x
    x = 599,294,458,597,713.25/30,890,616.30
  6. Step 6: Final answer
    x = 19,400,534.22

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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.