Home / 19,018,676.59-26,237,408.74-12,821,459.44

Finding the Fourth Proportional to 19,018,676.59, 26,237,408.74 and 12,821,459.44

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Solution

The fourth proportional to 19,018,676.59, 26,237,408.74 and 12,821,459.44 is: 17,687,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,676.59 : 26,237,408.74 = 12,821,459.44 : x
  2. Step 2: Convert to fraction form
    19,018,676.59/26,237,408.74 = 12,821,459.44/x
  3. Step 3: Cross multiply
    19,018,676.59x = 26,237,408.74 × 12,821,459.44
  4. Step 4: Simplify right side
    19,018,676.59x = 336,401,871,994,280.19
  5. Step 5: Solve for x
    x = 336,401,871,994,280.19/19,018,676.59
  6. Step 6: Final answer
    x = 17,687,974.78

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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.