Home / 20,476,867.14-28,258,031.04-11,775,040.51

Finding the Fourth Proportional to 20,476,867.14, 28,258,031.04 and 11,775,040.51

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Solution

The fourth proportional to 20,476,867.14, 28,258,031.04 and 11,775,040.51 is: 16,249,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,867.14 : 28,258,031.04 = 11,775,040.51 : x
  2. Step 2: Convert to fraction form
    20,476,867.14/28,258,031.04 = 11,775,040.51/x
  3. Step 3: Cross multiply
    20,476,867.14x = 28,258,031.04 × 11,775,040.51
  4. Step 4: Simplify right side
    20,476,867.14x = 332,739,460,228,837.44
  5. Step 5: Solve for x
    x = 332,739,460,228,837.44/20,476,867.14
  6. Step 6: Final answer
    x = 16,249,529.67

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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.