Home / 28,828,684.04-39,783,586.54-15,775,942.28

Finding the Fourth Proportional to 28,828,684.04, 39,783,586.54 and 15,775,942.28

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Solution

The fourth proportional to 28,828,684.04, 39,783,586.54 and 15,775,942.28 is: 21,770,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,684.04 : 39,783,586.54 = 15,775,942.28 : x
  2. Step 2: Convert to fraction form
    28,828,684.04/39,783,586.54 = 15,775,942.28/x
  3. Step 3: Cross multiply
    28,828,684.04x = 39,783,586.54 × 15,775,942.28
  4. Step 4: Simplify right side
    28,828,684.04x = 627,623,564,946,424.88
  5. Step 5: Solve for x
    x = 627,623,564,946,424.88/28,828,684.04
  6. Step 6: Final answer
    x = 21,770,801.75

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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.