Home / 7,683,689.40-10,603,495.16-4,245,930.43

Finding the Fourth Proportional to 7,683,689.40, 10,603,495.16 and 4,245,930.43

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Solution

The fourth proportional to 7,683,689.40, 10,603,495.16 and 4,245,930.43 is: 5,859,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683,689.40 : 10,603,495.16 = 4,245,930.43 : x
  2. Step 2: Convert to fraction form
    7,683,689.40/10,603,495.16 = 4,245,930.43/x
  3. Step 3: Cross multiply
    7,683,689.40x = 10,603,495.16 × 4,245,930.43
  4. Step 4: Simplify right side
    7,683,689.40x = 45,021,702,764,201.72
  5. Step 5: Solve for x
    x = 45,021,702,764,201.72/7,683,689.40
  6. Step 6: Final answer
    x = 5,859,386.09

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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.