Home / 28,685,619.27-39,584,999.72-15,632,597.93

Finding the Fourth Proportional to 28,685,619.27, 39,584,999.72 and 15,632,597.93

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Solution

The fourth proportional to 28,685,619.27, 39,584,999.72 and 15,632,597.93 is: 21,572,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,619.27 : 39,584,999.72 = 15,632,597.93 : x
  2. Step 2: Convert to fraction form
    28,685,619.27/39,584,999.72 = 15,632,597.93/x
  3. Step 3: Cross multiply
    28,685,619.27x = 39,584,999.72 × 15,632,597.93
  4. Step 4: Simplify right side
    28,685,619.27x = 618,816,384,405,834.62
  5. Step 5: Solve for x
    x = 618,816,384,405,834.62/28,685,619.27
  6. Step 6: Final answer
    x = 21,572,355.77

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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.