Home / 11,935,814.81-17,868,036.78-7,310,236.57

Finding the Fourth Proportional to 11,935,814.81, 17,868,036.78 and 7,310,236.57

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Solution

The fourth proportional to 11,935,814.81, 17,868,036.78 and 7,310,236.57 is: 10,943,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935,814.81 : 17,868,036.78 = 7,310,236.57 : x
  2. Step 2: Convert to fraction form
    11,935,814.81/17,868,036.78 = 7,310,236.57/x
  3. Step 3: Cross multiply
    11,935,814.81x = 17,868,036.78 × 7,310,236.57
  4. Step 4: Simplify right side
    11,935,814.81x = 130,619,575,858,590.95
  5. Step 5: Solve for x
    x = 130,619,575,858,590.95/11,935,814.81
  6. Step 6: Final answer
    x = 10,943,498.87

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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.