Home / 6,477,999.70-9,716,999.55-5,991,394.90

Finding the Fourth Proportional to 6,477,999.70, 9,716,999.55 and 5,991,394.90

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Solution

The fourth proportional to 6,477,999.70, 9,716,999.55 and 5,991,394.90 is: 8,987,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,999.70 : 9,716,999.55 = 5,991,394.90 : x
  2. Step 2: Convert to fraction form
    6,477,999.70/9,716,999.55 = 5,991,394.90/x
  3. Step 3: Cross multiply
    6,477,999.70x = 9,716,999.55 × 5,991,394.90
  4. Step 4: Simplify right side
    6,477,999.70x = 58,218,381,547,172.30
  5. Step 5: Solve for x
    x = 58,218,381,547,172.30/6,477,999.70
  6. Step 6: Final answer
    x = 8,987,092.35

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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.