Home / 5,388,913.40-8,083,370.10-4,857,472.40

Finding the Fourth Proportional to 5,388,913.40, 8,083,370.10 and 4,857,472.40

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Solution

The fourth proportional to 5,388,913.40, 8,083,370.10 and 4,857,472.40 is: 7,286,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,913.40 : 8,083,370.10 = 4,857,472.40 : x
  2. Step 2: Convert to fraction form
    5,388,913.40/8,083,370.10 = 4,857,472.40/x
  3. Step 3: Cross multiply
    5,388,913.40x = 8,083,370.10 × 4,857,472.40
  4. Step 4: Simplify right side
    5,388,913.40x = 39,264,747,159,735.24
  5. Step 5: Solve for x
    x = 39,264,747,159,735.24/5,388,913.40
  6. Step 6: Final answer
    x = 7,286,208.60

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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.