Home / 12,476,998.51-18,716,075.78-3,841,485.75

Finding the Fourth Proportional to 12,476,998.51, 18,716,075.78 and 3,841,485.75

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Solution

The fourth proportional to 12,476,998.51, 18,716,075.78 and 3,841,485.75 is: 5,762,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,998.51 : 18,716,075.78 = 3,841,485.75 : x
  2. Step 2: Convert to fraction form
    12,476,998.51/18,716,075.78 = 3,841,485.75/x
  3. Step 3: Cross multiply
    12,476,998.51x = 18,716,075.78 × 3,841,485.75
  4. Step 4: Simplify right side
    12,476,998.51x = 71,897,538,385,582.70
  5. Step 5: Solve for x
    x = 71,897,538,385,582.70/12,476,998.51
  6. Step 6: Final answer
    x = 5,762,406.59

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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.