Home / 7,130,605.10-10,695,907.65-2,081,915.60

Finding the Fourth Proportional to 7,130,605.10, 10,695,907.65 and 2,081,915.60

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Solution

The fourth proportional to 7,130,605.10, 10,695,907.65 and 2,081,915.60 is: 3,122,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,605.10 : 10,695,907.65 = 2,081,915.60 : x
  2. Step 2: Convert to fraction form
    7,130,605.10/10,695,907.65 = 2,081,915.60/x
  3. Step 3: Cross multiply
    7,130,605.10x = 10,695,907.65 × 2,081,915.60
  4. Step 4: Simplify right side
    7,130,605.10x = 22,267,976,992,694.34
  5. Step 5: Solve for x
    x = 22,267,976,992,694.34/7,130,605.10
  6. Step 6: Final answer
    x = 3,122,873.40

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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.