Home / 30,505,865.94-42,087,852.69-17,273,234.72

Finding the Fourth Proportional to 30,505,865.94, 42,087,852.69 and 17,273,234.72

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Solution

The fourth proportional to 30,505,865.94, 42,087,852.69 and 17,273,234.72 is: 23,831,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,865.94 : 42,087,852.69 = 17,273,234.72 : x
  2. Step 2: Convert to fraction form
    30,505,865.94/42,087,852.69 = 17,273,234.72/x
  3. Step 3: Cross multiply
    30,505,865.94x = 42,087,852.69 × 17,273,234.72
  4. Step 4: Simplify right side
    30,505,865.94x = 726,993,358,322,543.50
  5. Step 5: Solve for x
    x = 726,993,358,322,543.50/30,505,865.94
  6. Step 6: Final answer
    x = 23,831,264.45

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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.