Home / 7,859,913.57-10,846,569.60-4,422,146.40

Finding the Fourth Proportional to 7,859,913.57, 10,846,569.60 and 4,422,146.40

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Solution

The fourth proportional to 7,859,913.57, 10,846,569.60 and 4,422,146.40 is: 6,102,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,913.57 : 10,846,569.60 = 4,422,146.40 : x
  2. Step 2: Convert to fraction form
    7,859,913.57/10,846,569.60 = 4,422,146.40/x
  3. Step 3: Cross multiply
    7,859,913.57x = 10,846,569.60 × 4,422,146.40
  4. Step 4: Simplify right side
    7,859,913.57x = 47,965,118,708,989.45
  5. Step 5: Solve for x
    x = 47,965,118,708,989.45/7,859,913.57
  6. Step 6: Final answer
    x = 6,102,499.51

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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.