Home / 13,570,028.31-18,726,783.75-7,375,075.01

Finding the Fourth Proportional to 13,570,028.31, 18,726,783.75 and 7,375,075.01

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Solution

The fourth proportional to 13,570,028.31, 18,726,783.75 and 7,375,075.01 is: 10,177,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,028.31 : 18,726,783.75 = 7,375,075.01 : x
  2. Step 2: Convert to fraction form
    13,570,028.31/18,726,783.75 = 7,375,075.01/x
  3. Step 3: Cross multiply
    13,570,028.31x = 18,726,783.75 × 7,375,075.01
  4. Step 4: Simplify right side
    13,570,028.31x = 138,111,434,758,665.17
  5. Step 5: Solve for x
    x = 138,111,434,758,665.17/13,570,028.31
  6. Step 6: Final answer
    x = 10,177,682.14

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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.