Home / 49,768,444-74,682,059.28-21,012,718.24

Finding the Fourth Proportional to 49,768,444, 74,682,059.28 and 21,012,718.24

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Solution

The fourth proportional to 49,768,444, 74,682,059.28 and 21,012,718.24 is: 31,531,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768,444 : 74,682,059.28 = 21,012,718.24 : x
  2. Step 2: Convert to fraction form
    49,768,444/74,682,059.28 = 21,012,718.24/x
  3. Step 3: Cross multiply
    49,768,444x = 74,682,059.28 × 21,012,718.24
  4. Step 4: Simplify right side
    49,768,444x = 1,569,273,069,233,617.25
  5. Step 5: Solve for x
    x = 1,569,273,069,233,617.25/49,768,444
  6. Step 6: Final answer
    x = 31,531,487.49

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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.