Home / 19,028,212.80-28,550,198.88-10,507,790.40

Finding the Fourth Proportional to 19,028,212.80, 28,550,198.88 and 10,507,790.40

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Solution

The fourth proportional to 19,028,212.80, 28,550,198.88 and 10,507,790.40 is: 15,766,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028,212.80 : 28,550,198.88 = 10,507,790.40 : x
  2. Step 2: Convert to fraction form
    19,028,212.80/28,550,198.88 = 10,507,790.40/x
  3. Step 3: Cross multiply
    19,028,212.80x = 28,550,198.88 × 10,507,790.40
  4. Step 4: Simplify right side
    19,028,212.80x = 299,999,505,709,354.75
  5. Step 5: Solve for x
    x = 299,999,505,709,354.75/19,028,212.80
  6. Step 6: Final answer
    x = 15,766,036.93

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1.5x scale

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.