Home / 12,672,046.80-19,008,070.20-4,152,661.20

Finding the Fourth Proportional to 12,672,046.80, 19,008,070.20 and 4,152,661.20

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Solution

The fourth proportional to 12,672,046.80, 19,008,070.20 and 4,152,661.20 is: 6,228,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,046.80 : 19,008,070.20 = 4,152,661.20 : x
  2. Step 2: Convert to fraction form
    12,672,046.80/19,008,070.20 = 4,152,661.20/x
  3. Step 3: Cross multiply
    12,672,046.80x = 19,008,070.20 × 4,152,661.20
  4. Step 4: Simplify right side
    12,672,046.80x = 78,934,075,606,416.23
  5. Step 5: Solve for x
    x = 78,934,075,606,416.23/12,672,046.80
  6. Step 6: Final answer
    x = 6,228,991.80

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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.