Home / 7,170,225.48-9,894,782.88-3,907,068.48

Finding the Fourth Proportional to 7,170,225.48, 9,894,782.88 and 3,907,068.48

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Solution

The fourth proportional to 7,170,225.48, 9,894,782.88 and 3,907,068.48 is: 5,391,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,225.48 : 9,894,782.88 = 3,907,068.48 : x
  2. Step 2: Convert to fraction form
    7,170,225.48/9,894,782.88 = 3,907,068.48/x
  3. Step 3: Cross multiply
    7,170,225.48x = 9,894,782.88 × 3,907,068.48
  4. Step 4: Simplify right side
    7,170,225.48x = 38,659,594,306,891.62
  5. Step 5: Solve for x
    x = 38,659,594,306,891.62/7,170,225.48
  6. Step 6: Final answer
    x = 5,391,684.60

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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.