Home / 14,487,940.80-21,731,911.20-12,850,315.20

Finding the Fourth Proportional to 14,487,940.80, 21,731,911.20 and 12,850,315.20

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Solution

The fourth proportional to 14,487,940.80, 21,731,911.20 and 12,850,315.20 is: 19,275,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,940.80 : 21,731,911.20 = 12,850,315.20 : x
  2. Step 2: Convert to fraction form
    14,487,940.80/21,731,911.20 = 12,850,315.20/x
  3. Step 3: Cross multiply
    14,487,940.80x = 21,731,911.20 × 12,850,315.20
  4. Step 4: Simplify right side
    14,487,940.80x = 279,261,908,818,410.22
  5. Step 5: Solve for x
    x = 279,261,908,818,410.22/14,487,940.80
  6. Step 6: Final answer
    x = 19,275,472.80

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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.