Home / 30,179,649.78-45,239,205.84-14,016,951.72

Finding the Fourth Proportional to 30,179,649.78, 45,239,205.84 and 14,016,951.72

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Solution

The fourth proportional to 30,179,649.78, 45,239,205.84 and 14,016,951.72 is: 21,011,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179,649.78 : 45,239,205.84 = 14,016,951.72 : x
  2. Step 2: Convert to fraction form
    30,179,649.78/45,239,205.84 = 14,016,951.72/x
  3. Step 3: Cross multiply
    30,179,649.78x = 45,239,205.84 × 14,016,951.72
  4. Step 4: Simplify right side
    30,179,649.78x = 634,115,764,110,422.12
  5. Step 5: Solve for x
    x = 634,115,764,110,422.12/30,179,649.78
  6. Step 6: Final answer
    x = 21,011,369.21

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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.