Home / 12,668,894.40-19,008,007.20-5,101,291.20

Finding the Fourth Proportional to 12,668,894.40, 19,008,007.20 and 5,101,291.20

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Solution

The fourth proportional to 12,668,894.40, 19,008,007.20 and 5,101,291.20 is: 7,653,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,894.40 : 19,008,007.20 = 5,101,291.20 : x
  2. Step 2: Convert to fraction form
    12,668,894.40/19,008,007.20 = 5,101,291.20/x
  3. Step 3: Cross multiply
    12,668,894.40x = 19,008,007.20 × 5,101,291.20
  4. Step 4: Simplify right side
    12,668,894.40x = 96,965,379,858,896.64
  5. Step 5: Solve for x
    x = 96,965,379,858,896.64/12,668,894.40
  6. Step 6: Final answer
    x = 7,653,815.46

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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.