Home / 8,689,151.81-11,991,590-4,821,672.97

Finding the Fourth Proportional to 8,689,151.81, 11,991,590 and 4,821,672.97

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Solution

The fourth proportional to 8,689,151.81, 11,991,590 and 4,821,672.97 is: 6,654,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,151.81 : 11,991,590 = 4,821,672.97 : x
  2. Step 2: Convert to fraction form
    8,689,151.81/11,991,590 = 4,821,672.97/x
  3. Step 3: Cross multiply
    8,689,151.81x = 11,991,590 × 4,821,672.97
  4. Step 4: Simplify right side
    8,689,151.81x = 57,819,525,370,322.30
  5. Step 5: Solve for x
    x = 57,819,525,370,322.30/8,689,151.81
  6. Step 6: Final answer
    x = 6,654,219.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.