Home / 14,521,980.40-21,787,636.20-9,735,074.80

Finding the Fourth Proportional to 14,521,980.40, 21,787,636.20 and 9,735,074.80

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Solution

The fourth proportional to 14,521,980.40, 21,787,636.20 and 9,735,074.80 is: 14,605,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521,980.40 : 21,787,636.20 = 9,735,074.80 : x
  2. Step 2: Convert to fraction form
    14,521,980.40/21,787,636.20 = 9,735,074.80/x
  3. Step 3: Cross multiply
    14,521,980.40x = 21,787,636.20 × 9,735,074.80
  4. Step 4: Simplify right side
    14,521,980.40x = 212,104,268,122,187.78
  5. Step 5: Solve for x
    x = 212,104,268,122,187.78/14,521,980.40
  6. Step 6: Final answer
    x = 14,605,739.87

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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.