Home / 7,019,900.10-10,529,850.15-1,971,210.60

Finding the Fourth Proportional to 7,019,900.10, 10,529,850.15 and 1,971,210.60

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Solution

The fourth proportional to 7,019,900.10, 10,529,850.15 and 1,971,210.60 is: 2,956,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,900.10 : 10,529,850.15 = 1,971,210.60 : x
  2. Step 2: Convert to fraction form
    7,019,900.10/10,529,850.15 = 1,971,210.60/x
  3. Step 3: Cross multiply
    7,019,900.10x = 10,529,850.15 × 1,971,210.60
  4. Step 4: Simplify right side
    7,019,900.10x = 20,756,552,232,091.59
  5. Step 5: Solve for x
    x = 20,756,552,232,091.59/7,019,900.10
  6. Step 6: Final answer
    x = 2,956,815.90

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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.