Home / 47,629,740.15-71,354,462.09-28,140,683.31

Finding the Fourth Proportional to 47,629,740.15, 71,354,462.09 and 28,140,683.31

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Solution

The fourth proportional to 47,629,740.15, 71,354,462.09 and 28,140,683.31 is: 42,157,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,629,740.15 : 71,354,462.09 = 28,140,683.31 : x
  2. Step 2: Convert to fraction form
    47,629,740.15/71,354,462.09 = 28,140,683.31/x
  3. Step 3: Cross multiply
    47,629,740.15x = 71,354,462.09 × 28,140,683.31
  4. Step 4: Simplify right side
    47,629,740.15x = 2,007,963,320,289,387
  5. Step 5: Solve for x
    x = 2,007,963,320,289,387/47,629,740.15
  6. Step 6: Final answer
    x = 42,157,763.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.