Home / 51,729,455.07-77,596,015.37-12,868,109.37

Finding the Fourth Proportional to 51,729,455.07, 77,596,015.37 and 12,868,109.37

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Solution

The fourth proportional to 51,729,455.07, 77,596,015.37 and 12,868,109.37 is: 19,302,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729,455.07 : 77,596,015.37 = 12,868,109.37 : x
  2. Step 2: Convert to fraction form
    51,729,455.07/77,596,015.37 = 12,868,109.37/x
  3. Step 3: Cross multiply
    51,729,455.07x = 77,596,015.37 × 12,868,109.37
  4. Step 4: Simplify right side
    51,729,455.07x = 998,514,012,393,020.38
  5. Step 5: Solve for x
    x = 998,514,012,393,020.38/51,729,455.07
  6. Step 6: Final answer
    x = 19,302,619.97

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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.