Home / 20,630,285.56-28,470,476.66-11,338,185.00

Finding the Fourth Proportional to 20,630,285.56, 28,470,476.66 and 11,338,185.00

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Solution

The fourth proportional to 20,630,285.56, 28,470,476.66 and 11,338,185.00 is: 15,647,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630,285.56 : 28,470,476.66 = 11,338,185.00 : x
  2. Step 2: Convert to fraction form
    20,630,285.56/28,470,476.66 = 11,338,185.00/x
  3. Step 3: Cross multiply
    20,630,285.56x = 28,470,476.66 × 11,338,185.00
  4. Step 4: Simplify right side
    20,630,285.56x = 322,803,531,210,218.81
  5. Step 5: Solve for x
    x = 322,803,531,210,218.81/20,630,285.56
  6. Step 6: Final answer
    x = 15,647,070.43

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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.