Home / 30,441,951.48-45,655,939.74-18,149,393.10

Finding the Fourth Proportional to 30,441,951.48, 45,655,939.74 and 18,149,393.10

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Solution

The fourth proportional to 30,441,951.48, 45,655,939.74 and 18,149,393.10 is: 27,219,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441,951.48 : 45,655,939.74 = 18,149,393.10 : x
  2. Step 2: Convert to fraction form
    30,441,951.48/45,655,939.74 = 18,149,393.10/x
  3. Step 3: Cross multiply
    30,441,951.48x = 45,655,939.74 × 18,149,393.10
  4. Step 4: Simplify right side
    30,441,951.48x = 828,627,597,691,171.88
  5. Step 5: Solve for x
    x = 828,627,597,691,171.88/30,441,951.48
  6. Step 6: Final answer
    x = 27,219,923.74

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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.