Home / 7,019,821.16-10,530,374.34-1,971,097.64

Finding the Fourth Proportional to 7,019,821.16, 10,530,374.34 and 1,971,097.64

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Solution

The fourth proportional to 7,019,821.16, 10,530,374.34 and 1,971,097.64 is: 2,956,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,821.16 : 10,530,374.34 = 1,971,097.64 : x
  2. Step 2: Convert to fraction form
    7,019,821.16/10,530,374.34 = 1,971,097.64/x
  3. Step 3: Cross multiply
    7,019,821.16x = 10,530,374.34 × 1,971,097.64
  4. Step 4: Simplify right side
    7,019,821.16x = 20,756,396,009,890.55
  5. Step 5: Solve for x
    x = 20,756,396,009,890.55/7,019,821.16
  6. Step 6: Final answer
    x = 2,956,826.90

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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.