Home / 19,862,580.78-27,409,486.59-11,603,408.22

Finding the Fourth Proportional to 19,862,580.78, 27,409,486.59 and 11,603,408.22

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Solution

The fourth proportional to 19,862,580.78, 27,409,486.59 and 11,603,408.22 is: 16,012,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862,580.78 : 27,409,486.59 = 11,603,408.22 : x
  2. Step 2: Convert to fraction form
    19,862,580.78/27,409,486.59 = 11,603,408.22/x
  3. Step 3: Cross multiply
    19,862,580.78x = 27,409,486.59 × 11,603,408.22
  4. Step 4: Simplify right side
    19,862,580.78x = 318,043,462,004,385.81
  5. Step 5: Solve for x
    x = 318,043,462,004,385.81/19,862,580.78
  6. Step 6: Final answer
    x = 16,012,192.25

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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.