Home / 28,685,485.86-39,584,816.28-15,632,466.27

Finding the Fourth Proportional to 28,685,485.86, 39,584,816.28 and 15,632,466.27

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Solution

The fourth proportional to 28,685,485.86, 39,584,816.28 and 15,632,466.27 is: 21,572,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,485.86 : 39,584,816.28 = 15,632,466.27 : x
  2. Step 2: Convert to fraction form
    28,685,485.86/39,584,816.28 = 15,632,466.27/x
  3. Step 3: Cross multiply
    28,685,485.86x = 39,584,816.28 × 15,632,466.27
  4. Step 4: Simplify right side
    28,685,485.86x = 618,808,305,301,246.88
  5. Step 5: Solve for x
    x = 618,808,305,301,246.88/28,685,485.86
  6. Step 6: Final answer
    x = 21,572,174.46

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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.