Home / 30,628,739.25-45,950,255.81-10,156,961.25

Finding the Fourth Proportional to 30,628,739.25, 45,950,255.81 and 10,156,961.25

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Solution

The fourth proportional to 30,628,739.25, 45,950,255.81 and 10,156,961.25 is: 15,237,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628,739.25 : 45,950,255.81 = 10,156,961.25 : x
  2. Step 2: Convert to fraction form
    30,628,739.25/45,950,255.81 = 10,156,961.25/x
  3. Step 3: Cross multiply
    30,628,739.25x = 45,950,255.81 × 10,156,961.25
  4. Step 4: Simplify right side
    30,628,739.25x = 466,714,967,689,757.38
  5. Step 5: Solve for x
    x = 466,714,967,689,757.38/30,628,739.25
  6. Step 6: Final answer
    x = 15,237,811.91

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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.