Home / 13,570,028.32-18,726,783.76-7,375,075

Finding the Fourth Proportional to 13,570,028.32, 18,726,783.76 and 7,375,075

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Solution

The fourth proportional to 13,570,028.32, 18,726,783.76 and 7,375,075 is: 10,177,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,028.32 : 18,726,783.76 = 7,375,075 : x
  2. Step 2: Convert to fraction form
    13,570,028.32/18,726,783.76 = 7,375,075/x
  3. Step 3: Cross multiply
    13,570,028.32x = 18,726,783.76 × 7,375,075
  4. Step 4: Simplify right side
    13,570,028.32x = 138,111,434,738,782.02
  5. Step 5: Solve for x
    x = 138,111,434,738,782.02/13,570,028.32
  6. Step 6: Final answer
    x = 10,177,682.13

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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.