Home / 28,546,072.69-42,819,109.04-6,980,418.35

Finding the Fourth Proportional to 28,546,072.69, 42,819,109.04 and 6,980,418.35

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Solution

The fourth proportional to 28,546,072.69, 42,819,109.04 and 6,980,418.35 is: 10,470,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,072.69 : 42,819,109.04 = 6,980,418.35 : x
  2. Step 2: Convert to fraction form
    28,546,072.69/42,819,109.04 = 6,980,418.35/x
  3. Step 3: Cross multiply
    28,546,072.69x = 42,819,109.04 × 6,980,418.35
  4. Step 4: Simplify right side
    28,546,072.69x = 298,895,294,473,466.88
  5. Step 5: Solve for x
    x = 298,895,294,473,466.88/28,546,072.69
  6. Step 6: Final answer
    x = 10,470,627.53

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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.