Home / 28,828,644.60-39,783,529.04-15,775,907.84

Finding the Fourth Proportional to 28,828,644.60, 39,783,529.04 and 15,775,907.84

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Solution

The fourth proportional to 28,828,644.60, 39,783,529.04 and 15,775,907.84 is: 21,770,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,644.60 : 39,783,529.04 = 15,775,907.84 : x
  2. Step 2: Convert to fraction form
    28,828,644.60/39,783,529.04 = 15,775,907.84/x
  3. Step 3: Cross multiply
    28,828,644.60x = 39,783,529.04 × 15,775,907.84
  4. Step 4: Simplify right side
    28,828,644.60x = 627,621,287,407,206.50
  5. Step 5: Solve for x
    x = 627,621,287,407,206.50/28,828,644.60
  6. Step 6: Final answer
    x = 21,770,752.53

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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.