Home / 28,685,622.65-39,585,004.37-15,632,601.30

Finding the Fourth Proportional to 28,685,622.65, 39,585,004.37 and 15,632,601.30

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Solution

The fourth proportional to 28,685,622.65, 39,585,004.37 and 15,632,601.30 is: 21,572,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,622.65 : 39,585,004.37 = 15,632,601.30 : x
  2. Step 2: Convert to fraction form
    28,685,622.65/39,585,004.37 = 15,632,601.30/x
  3. Step 3: Cross multiply
    28,685,622.65x = 39,585,004.37 × 15,632,601.30
  4. Step 4: Simplify right side
    28,685,622.65x = 618,816,590,696,804.75
  5. Step 5: Solve for x
    x = 618,816,590,696,804.75/28,685,622.65
  6. Step 6: Final answer
    x = 21,572,360.42

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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.