Home / 21,056,299.08-31,556,930.08-15,240,068.57

Finding the Fourth Proportional to 21,056,299.08, 31,556,930.08 and 15,240,068.57

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Solution

The fourth proportional to 21,056,299.08, 31,556,930.08 and 15,240,068.57 is: 22,840,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,299.08 : 31,556,930.08 = 15,240,068.57 : x
  2. Step 2: Convert to fraction form
    21,056,299.08/31,556,930.08 = 15,240,068.57/x
  3. Step 3: Cross multiply
    21,056,299.08x = 31,556,930.08 × 15,240,068.57
  4. Step 4: Simplify right side
    21,056,299.08x = 480,929,778,277,895.56
  5. Step 5: Solve for x
    x = 480,929,778,277,895.56/21,056,299.08
  6. Step 6: Final answer
    x = 22,840,185.56

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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.