Home / 30,615,951.88-45,923,927.88-12,665,055.88

Finding the Fourth Proportional to 30,615,951.88, 45,923,927.88 and 12,665,055.88

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Solution

The fourth proportional to 30,615,951.88, 45,923,927.88 and 12,665,055.88 is: 18,997,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615,951.88 : 45,923,927.88 = 12,665,055.88 : x
  2. Step 2: Convert to fraction form
    30,615,951.88/45,923,927.88 = 12,665,055.88/x
  3. Step 3: Cross multiply
    30,615,951.88x = 45,923,927.88 × 12,665,055.88
  4. Step 4: Simplify right side
    30,615,951.88x = 581,629,112,599,670.38
  5. Step 5: Solve for x
    x = 581,629,112,599,670.38/30,615,951.88
  6. Step 6: Final answer
    x = 18,997,583.84

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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.