Home / 12,914,272.40-17,821,816.46-7,113,075.44

Finding the Fourth Proportional to 12,914,272.40, 17,821,816.46 and 7,113,075.44

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Solution

The fourth proportional to 12,914,272.40, 17,821,816.46 and 7,113,075.44 is: 9,816,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,272.40 : 17,821,816.46 = 7,113,075.44 : x
  2. Step 2: Convert to fraction form
    12,914,272.40/17,821,816.46 = 7,113,075.44/x
  3. Step 3: Cross multiply
    12,914,272.40x = 17,821,816.46 × 7,113,075.44
  4. Step 4: Simplify right side
    12,914,272.40x = 126,767,924,957,813.75
  5. Step 5: Solve for x
    x = 126,767,924,957,813.75/12,914,272.40
  6. Step 6: Final answer
    x = 9,816,110.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.