Home / 21,029,689.94-31,555,648.73-14,921,149.00

Finding the Fourth Proportional to 21,029,689.94, 31,555,648.73 and 14,921,149.00

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Solution

The fourth proportional to 21,029,689.94, 31,555,648.73 and 14,921,149.00 is: 22,389,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,689.94 : 31,555,648.73 = 14,921,149.00 : x
  2. Step 2: Convert to fraction form
    21,029,689.94/31,555,648.73 = 14,921,149.00/x
  3. Step 3: Cross multiply
    21,029,689.94x = 31,555,648.73 × 14,921,149.00
  4. Step 4: Simplify right side
    21,029,689.94x = 470,846,536,397,662.81
  5. Step 5: Solve for x
    x = 470,846,536,397,662.81/21,029,689.94
  6. Step 6: Final answer
    x = 22,389,609.06

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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.