Home / 12,942,576.20-19,420,862.70-5,370,307.40

Finding the Fourth Proportional to 12,942,576.20, 19,420,862.70 and 5,370,307.40

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Solution

The fourth proportional to 12,942,576.20, 19,420,862.70 and 5,370,307.40 is: 8,058,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,576.20 : 19,420,862.70 = 5,370,307.40 : x
  2. Step 2: Convert to fraction form
    12,942,576.20/19,420,862.70 = 5,370,307.40/x
  3. Step 3: Cross multiply
    12,942,576.20x = 19,420,862.70 × 5,370,307.40
  4. Step 4: Simplify right side
    12,942,576.20x = 104,296,002,672,193.98
  5. Step 5: Solve for x
    x = 104,296,002,672,193.98/12,942,576.20
  6. Step 6: Final answer
    x = 8,058,364.97

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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.