Home / 7,019,816.16-10,530,366.84-1,971,092.64

Finding the Fourth Proportional to 7,019,816.16, 10,530,366.84 and 1,971,092.64

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Solution

The fourth proportional to 7,019,816.16, 10,530,366.84 and 1,971,092.64 is: 2,956,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,816.16 : 10,530,366.84 = 1,971,092.64 : x
  2. Step 2: Convert to fraction form
    7,019,816.16/10,530,366.84 = 1,971,092.64/x
  3. Step 3: Cross multiply
    7,019,816.16x = 10,530,366.84 × 1,971,092.64
  4. Step 4: Simplify right side
    7,019,816.16x = 20,756,328,574,824.05
  5. Step 5: Solve for x
    x = 20,756,328,574,824.05/7,019,816.16
  6. Step 6: Final answer
    x = 2,956,819.40

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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.