Home / 14,487,938.80-21,731,908.20-12,850,313.20

Finding the Fourth Proportional to 14,487,938.80, 21,731,908.20 and 12,850,313.20

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Solution

The fourth proportional to 14,487,938.80, 21,731,908.20 and 12,850,313.20 is: 19,275,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,938.80 : 21,731,908.20 = 12,850,313.20 : x
  2. Step 2: Convert to fraction form
    14,487,938.80/21,731,908.20 = 12,850,313.20/x
  3. Step 3: Cross multiply
    14,487,938.80x = 21,731,908.20 × 12,850,313.20
  4. Step 4: Simplify right side
    14,487,938.80x = 279,261,826,803,648.22
  5. Step 5: Solve for x
    x = 279,261,826,803,648.22/14,487,938.80
  6. Step 6: Final answer
    x = 19,275,469.80

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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.