Home / 20,169,110.70-30,285,158.85-11,666,054.70

Finding the Fourth Proportional to 20,169,110.70, 30,285,158.85 and 11,666,054.70

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Solution

The fourth proportional to 20,169,110.70, 30,285,158.85 and 11,666,054.70 is: 17,517,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,110.70 : 30,285,158.85 = 11,666,054.70 : x
  2. Step 2: Convert to fraction form
    20,169,110.70/30,285,158.85 = 11,666,054.70/x
  3. Step 3: Cross multiply
    20,169,110.70x = 30,285,158.85 × 11,666,054.70
  4. Step 4: Simplify right side
    20,169,110.70x = 353,308,319,742,289.06
  5. Step 5: Solve for x
    x = 353,308,319,742,289.06/20,169,110.70
  6. Step 6: Final answer
    x = 17,517,297.86

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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.