Home / 11,142,516.21-15,371,013.29-7,277,299.89

Finding the Fourth Proportional to 11,142,516.21, 15,371,013.29 and 7,277,299.89

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Solution

The fourth proportional to 11,142,516.21, 15,371,013.29 and 7,277,299.89 is: 10,038,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,516.21 : 15,371,013.29 = 7,277,299.89 : x
  2. Step 2: Convert to fraction form
    11,142,516.21/15,371,013.29 = 7,277,299.89/x
  3. Step 3: Cross multiply
    11,142,516.21x = 15,371,013.29 × 7,277,299.89
  4. Step 4: Simplify right side
    11,142,516.21x = 111,859,473,288,119.03
  5. Step 5: Solve for x
    x = 111,859,473,288,119.03/11,142,516.21
  6. Step 6: Final answer
    x = 10,038,977.84

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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.