Home / 9,668,540.40-14,487,064.20-7,117,623.60

Finding the Fourth Proportional to 9,668,540.40, 14,487,064.20 and 7,117,623.60

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Solution

The fourth proportional to 9,668,540.40, 14,487,064.20 and 7,117,623.60 is: 10,664,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668,540.40 : 14,487,064.20 = 7,117,623.60 : x
  2. Step 2: Convert to fraction form
    9,668,540.40/14,487,064.20 = 7,117,623.60/x
  3. Step 3: Cross multiply
    9,668,540.40x = 14,487,064.20 × 7,117,623.60
  4. Step 4: Simplify right side
    9,668,540.40x = 103,113,470,044,635.11
  5. Step 5: Solve for x
    x = 103,113,470,044,635.11/9,668,540.40
  6. Step 6: Final answer
    x = 10,664,843.48

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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.