Home / 47,389,415.37-71,086,878.67-13,313,418.45

Finding the Fourth Proportional to 47,389,415.37, 71,086,878.67 and 13,313,418.45

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Solution

The fourth proportional to 47,389,415.37, 71,086,878.67 and 13,313,418.45 is: 19,970,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,415.37 : 71,086,878.67 = 13,313,418.45 : x
  2. Step 2: Convert to fraction form
    47,389,415.37/71,086,878.67 = 13,313,418.45/x
  3. Step 3: Cross multiply
    47,389,415.37x = 71,086,878.67 × 13,313,418.45
  4. Step 4: Simplify right side
    47,389,415.37x = 946,409,362,038,089.38
  5. Step 5: Solve for x
    x = 946,409,362,038,089.38/47,389,415.37
  6. Step 6: Final answer
    x = 19,970,901.83

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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.