Home / 6,477,611.80-9,716,417.70-5,217,899.80

Finding the Fourth Proportional to 6,477,611.80, 9,716,417.70 and 5,217,899.80

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Solution

The fourth proportional to 6,477,611.80, 9,716,417.70 and 5,217,899.80 is: 7,826,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,611.80 : 9,716,417.70 = 5,217,899.80 : x
  2. Step 2: Convert to fraction form
    6,477,611.80/9,716,417.70 = 5,217,899.80/x
  3. Step 3: Cross multiply
    6,477,611.80x = 9,716,417.70 × 5,217,899.80
  4. Step 4: Simplify right side
    6,477,611.80x = 50,699,293,973,546.45
  5. Step 5: Solve for x
    x = 50,699,293,973,546.45/6,477,611.80
  6. Step 6: Final answer
    x = 7,826,849.70

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1.5x scale

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.