Home / 43,579,604.40-65,362,408.20-13,280,420.40

Finding the Fourth Proportional to 43,579,604.40, 65,362,408.20 and 13,280,420.40

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Solution

The fourth proportional to 43,579,604.40, 65,362,408.20 and 13,280,420.40 is: 19,918,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579,604.40 : 65,362,408.20 = 13,280,420.40 : x
  2. Step 2: Convert to fraction form
    43,579,604.40/65,362,408.20 = 13,280,420.40/x
  3. Step 3: Cross multiply
    43,579,604.40x = 65,362,408.20 × 13,280,420.40
  4. Step 4: Simplify right side
    43,579,604.40x = 868,040,259,252,407.38
  5. Step 5: Solve for x
    x = 868,040,259,252,407.38/43,579,604.40
  6. Step 6: Final answer
    x = 19,918,497.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.