Home / 5,347,029.60-8,020,544.40-3,912,138.90

Finding the Fourth Proportional to 5,347,029.60, 8,020,544.40 and 3,912,138.90

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Solution

The fourth proportional to 5,347,029.60, 8,020,544.40 and 3,912,138.90 is: 5,868,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,029.60 : 8,020,544.40 = 3,912,138.90 : x
  2. Step 2: Convert to fraction form
    5,347,029.60/8,020,544.40 = 3,912,138.90/x
  3. Step 3: Cross multiply
    5,347,029.60x = 8,020,544.40 × 3,912,138.90
  4. Step 4: Simplify right side
    5,347,029.60x = 31,377,483,746,417.16
  5. Step 5: Solve for x
    x = 31,377,483,746,417.16/5,347,029.60
  6. Step 6: Final answer
    x = 5,868,208.35

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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.