Home / 28,407,316.80-39,202,270.20-15,354,542.64

Finding the Fourth Proportional to 28,407,316.80, 39,202,270.20 and 15,354,542.64

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Solution

The fourth proportional to 28,407,316.80, 39,202,270.20 and 15,354,542.64 is: 21,189,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407,316.80 : 39,202,270.20 = 15,354,542.64 : x
  2. Step 2: Convert to fraction form
    28,407,316.80/39,202,270.20 = 15,354,542.64/x
  3. Step 3: Cross multiply
    28,407,316.80x = 39,202,270.20 × 15,354,542.64
  4. Step 4: Simplify right side
    28,407,316.80x = 601,932,929,370,701.38
  5. Step 5: Solve for x
    x = 601,932,929,370,701.38/28,407,316.80
  6. Step 6: Final answer
    x = 21,189,362.36

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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.