Home / 5,095,969.20-7,643,953.80-4,139,375.40

Finding the Fourth Proportional to 5,095,969.20, 7,643,953.80 and 4,139,375.40

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Solution

The fourth proportional to 5,095,969.20, 7,643,953.80 and 4,139,375.40 is: 6,209,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095,969.20 : 7,643,953.80 = 4,139,375.40 : x
  2. Step 2: Convert to fraction form
    5,095,969.20/7,643,953.80 = 4,139,375.40/x
  3. Step 3: Cross multiply
    5,095,969.20x = 7,643,953.80 × 4,139,375.40
  4. Step 4: Simplify right side
    5,095,969.20x = 31,641,194,318,456.52
  5. Step 5: Solve for x
    x = 31,641,194,318,456.52/5,095,969.20
  6. Step 6: Final answer
    x = 6,209,063.10

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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.