Home / 30,731,886.90-46,100,163.15-9,164,805.30

Finding the Fourth Proportional to 30,731,886.90, 46,100,163.15 and 9,164,805.30

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Solution

The fourth proportional to 30,731,886.90, 46,100,163.15 and 9,164,805.30 is: 13,747,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,886.90 : 46,100,163.15 = 9,164,805.30 : x
  2. Step 2: Convert to fraction form
    30,731,886.90/46,100,163.15 = 9,164,805.30/x
  3. Step 3: Cross multiply
    30,731,886.90x = 46,100,163.15 × 9,164,805.30
  4. Step 4: Simplify right side
    30,731,886.90x = 422,499,019,567,984.69
  5. Step 5: Solve for x
    x = 422,499,019,567,984.69/30,731,886.90
  6. Step 6: Final answer
    x = 13,747,903.63

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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.