Home / 21,026,230.80-31,489,579.80-14,258,000.40

Finding the Fourth Proportional to 21,026,230.80, 31,489,579.80 and 14,258,000.40

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Solution

The fourth proportional to 21,026,230.80, 31,489,579.80 and 14,258,000.40 is: 21,353,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,230.80 : 31,489,579.80 = 14,258,000.40 : x
  2. Step 2: Convert to fraction form
    21,026,230.80/31,489,579.80 = 14,258,000.40/x
  3. Step 3: Cross multiply
    21,026,230.80x = 31,489,579.80 × 14,258,000.40
  4. Step 4: Simplify right side
    21,026,230.80x = 448,978,441,384,231.94
  5. Step 5: Solve for x
    x = 448,978,441,384,231.94/21,026,230.80
  6. Step 6: Final answer
    x = 21,353,253.74

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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.