Home / 21,907,780.14-30,230,410.50-12,116,668.62

Finding the Fourth Proportional to 21,907,780.14, 30,230,410.50 and 12,116,668.62

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Solution

The fourth proportional to 21,907,780.14, 30,230,410.50 and 12,116,668.62 is: 16,719,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,780.14 : 30,230,410.50 = 12,116,668.62 : x
  2. Step 2: Convert to fraction form
    21,907,780.14/30,230,410.50 = 12,116,668.62/x
  3. Step 3: Cross multiply
    21,907,780.14x = 30,230,410.50 × 12,116,668.62
  4. Step 4: Simplify right side
    21,907,780.14x = 366,291,866,275,068.50
  5. Step 5: Solve for x
    x = 366,291,866,275,068.50/21,907,780.14
  6. Step 6: Final answer
    x = 16,719,716.19

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1.5x scale

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.