Home / 31,354,850.40-47,013,970.41-12,163,181.82

Finding the Fourth Proportional to 31,354,850.40, 47,013,970.41 and 12,163,181.82

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Solution

The fourth proportional to 31,354,850.40, 47,013,970.41 and 12,163,181.82 is: 18,237,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354,850.40 : 47,013,970.41 = 12,163,181.82 : x
  2. Step 2: Convert to fraction form
    31,354,850.40/47,013,970.41 = 12,163,181.82/x
  3. Step 3: Cross multiply
    31,354,850.40x = 47,013,970.41 × 12,163,181.82
  4. Step 4: Simplify right side
    31,354,850.40x = 571,839,470,176,929.88
  5. Step 5: Solve for x
    x = 571,839,470,176,929.88/31,354,850.40
  6. Step 6: Final answer
    x = 18,237,671.78

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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.