Home / 21,026,231.30-31,489,580.55-14,258,000.90

Finding the Fourth Proportional to 21,026,231.30, 31,489,580.55 and 14,258,000.90

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Solution

The fourth proportional to 21,026,231.30, 31,489,580.55 and 14,258,000.90 is: 21,353,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,231.30 : 31,489,580.55 = 14,258,000.90 : x
  2. Step 2: Convert to fraction form
    21,026,231.30/31,489,580.55 = 14,258,000.90/x
  3. Step 3: Cross multiply
    21,026,231.30x = 31,489,580.55 × 14,258,000.90
  4. Step 4: Simplify right side
    21,026,231.30x = 448,978,467,822,522.50
  5. Step 5: Solve for x
    x = 448,978,467,822,522.50/21,026,231.30
  6. Step 6: Final answer
    x = 21,353,254.49

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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.