Home / 7,117,448.32-9,821,689.32-4,217,106.16

Finding the Fourth Proportional to 7,117,448.32, 9,821,689.32 and 4,217,106.16

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Solution

The fourth proportional to 7,117,448.32, 9,821,689.32 and 4,217,106.16 is: 5,819,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,448.32 : 9,821,689.32 = 4,217,106.16 : x
  2. Step 2: Convert to fraction form
    7,117,448.32/9,821,689.32 = 4,217,106.16/x
  3. Step 3: Cross multiply
    7,117,448.32x = 9,821,689.32 × 4,217,106.16
  4. Step 4: Simplify right side
    7,117,448.32x = 41,419,106,532,978.21
  5. Step 5: Solve for x
    x = 41,419,106,532,978.21/7,117,448.32
  6. Step 6: Final answer
    x = 5,819,375.80

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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.