Home / 15,210,791.63-20,991,922.33-8,593,084.86

Finding the Fourth Proportional to 15,210,791.63, 20,991,922.33 and 8,593,084.86

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Solution

The fourth proportional to 15,210,791.63, 20,991,922.33 and 8,593,084.86 is: 11,859,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,791.63 : 20,991,922.33 = 8,593,084.86 : x
  2. Step 2: Convert to fraction form
    15,210,791.63/20,991,922.33 = 8,593,084.86/x
  3. Step 3: Cross multiply
    15,210,791.63x = 20,991,922.33 × 8,593,084.86
  4. Step 4: Simplify right side
    15,210,791.63x = 180,385,369,879,264.31
  5. Step 5: Solve for x
    x = 180,385,369,879,264.31/15,210,791.63
  6. Step 6: Final answer
    x = 11,859,038.92

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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.