Home / 30,338,679.09-45,540,403.47-13,075,399.56

Finding the Fourth Proportional to 30,338,679.09, 45,540,403.47 and 13,075,399.56

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Solution

The fourth proportional to 30,338,679.09, 45,540,403.47 and 13,075,399.56 is: 19,627,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338,679.09 : 45,540,403.47 = 13,075,399.56 : x
  2. Step 2: Convert to fraction form
    30,338,679.09/45,540,403.47 = 13,075,399.56/x
  3. Step 3: Cross multiply
    30,338,679.09x = 45,540,403.47 × 13,075,399.56
  4. Step 4: Simplify right side
    30,338,679.09x = 595,458,971,493,860.50
  5. Step 5: Solve for x
    x = 595,458,971,493,860.50/30,338,679.09
  6. Step 6: Final answer
    x = 19,627,056.59

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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.