Home / 31,989,311.24-44,144,151.54-18,242,699.72

Finding the Fourth Proportional to 31,989,311.24, 44,144,151.54 and 18,242,699.72

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Solution

The fourth proportional to 31,989,311.24, 44,144,151.54 and 18,242,699.72 is: 25,174,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989,311.24 : 44,144,151.54 = 18,242,699.72 : x
  2. Step 2: Convert to fraction form
    31,989,311.24/44,144,151.54 = 18,242,699.72/x
  3. Step 3: Cross multiply
    31,989,311.24x = 44,144,151.54 × 18,242,699.72
  4. Step 4: Simplify right side
    31,989,311.24x = 805,308,500,938,395.50
  5. Step 5: Solve for x
    x = 805,308,500,938,395.50/31,989,311.24
  6. Step 6: Final answer
    x = 25,174,299.47

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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.