Home / 12,697,660.80-19,042,603.20-4,176,028.80

Finding the Fourth Proportional to 12,697,660.80, 19,042,603.20 and 4,176,028.80

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Solution

The fourth proportional to 12,697,660.80, 19,042,603.20 and 4,176,028.80 is: 6,262,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,660.80 : 19,042,603.20 = 4,176,028.80 : x
  2. Step 2: Convert to fraction form
    12,697,660.80/19,042,603.20 = 4,176,028.80/x
  3. Step 3: Cross multiply
    12,697,660.80x = 19,042,603.20 × 4,176,028.80
  4. Step 4: Simplify right side
    12,697,660.80x = 79,522,459,390,172.16
  5. Step 5: Solve for x
    x = 79,522,459,390,172.16/12,697,660.80
  6. Step 6: Final answer
    x = 6,262,764.51

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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.