Home / 13,674,860.90-18,871,364.90-7,395,388.22

Finding the Fourth Proportional to 13,674,860.90, 18,871,364.90 and 7,395,388.22

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Solution

The fourth proportional to 13,674,860.90, 18,871,364.90 and 7,395,388.22 is: 10,205,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,860.90 : 18,871,364.90 = 7,395,388.22 : x
  2. Step 2: Convert to fraction form
    13,674,860.90/18,871,364.90 = 7,395,388.22/x
  3. Step 3: Cross multiply
    13,674,860.90x = 18,871,364.90 × 7,395,388.22
  4. Step 4: Simplify right side
    13,674,860.90x = 139,561,069,705,471.42
  5. Step 5: Solve for x
    x = 139,561,069,705,471.42/13,674,860.90
  6. Step 6: Final answer
    x = 10,205,666.49

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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.