Home / 30,858,796.70-42,584,651.91-16,920,266.41

Finding the Fourth Proportional to 30,858,796.70, 42,584,651.91 and 16,920,266.41

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Solution

The fourth proportional to 30,858,796.70, 42,584,651.91 and 16,920,266.41 is: 23,349,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858,796.70 : 42,584,651.91 = 16,920,266.41 : x
  2. Step 2: Convert to fraction form
    30,858,796.70/42,584,651.91 = 16,920,266.41/x
  3. Step 3: Cross multiply
    30,858,796.70x = 42,584,651.91 × 16,920,266.41
  4. Step 4: Simplify right side
    30,858,796.70x = 720,543,655,347,546
  5. Step 5: Solve for x
    x = 720,543,655,347,546/30,858,796.70
  6. Step 6: Final answer
    x = 23,349,700.33

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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.