Home / 11,975,871.48-16,521,488.10-7,329,863.36

Finding the Fourth Proportional to 11,975,871.48, 16,521,488.10 and 7,329,863.36

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Solution

The fourth proportional to 11,975,871.48, 16,521,488.10 and 7,329,863.36 is: 10,112,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975,871.48 : 16,521,488.10 = 7,329,863.36 : x
  2. Step 2: Convert to fraction form
    11,975,871.48/16,521,488.10 = 7,329,863.36/x
  3. Step 3: Cross multiply
    11,975,871.48x = 16,521,488.10 × 7,329,863.36
  4. Step 4: Simplify right side
    11,975,871.48x = 121,100,250,194,258.58
  5. Step 5: Solve for x
    x = 121,100,250,194,258.58/11,975,871.48
  6. Step 6: Final answer
    x = 10,112,019.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.