Home / 27,459,315.90-41,188,973.85-21,082,023.90

Finding the Fourth Proportional to 27,459,315.90, 41,188,973.85 and 21,082,023.90

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Solution

The fourth proportional to 27,459,315.90, 41,188,973.85 and 21,082,023.90 is: 31,623,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459,315.90 : 41,188,973.85 = 21,082,023.90 : x
  2. Step 2: Convert to fraction form
    27,459,315.90/41,188,973.85 = 21,082,023.90/x
  3. Step 3: Cross multiply
    27,459,315.90x = 41,188,973.85 × 21,082,023.90
  4. Step 4: Simplify right side
    27,459,315.90x = 868,346,931,122,175
  5. Step 5: Solve for x
    x = 868,346,931,122,175/27,459,315.90
  6. Step 6: Final answer
    x = 31,623,035.85

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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.