Home / 20,772,944-28,666,134.60-11,605,655.60

Finding the Fourth Proportional to 20,772,944, 28,666,134.60 and 11,605,655.60

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Solution

The fourth proportional to 20,772,944, 28,666,134.60 and 11,605,655.60 is: 16,015,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,944 : 28,666,134.60 = 11,605,655.60 : x
  2. Step 2: Convert to fraction form
    20,772,944/28,666,134.60 = 11,605,655.60/x
  3. Step 3: Cross multiply
    20,772,944x = 28,666,134.60 × 11,605,655.60
  4. Step 4: Simplify right side
    20,772,944x = 332,689,285,550,843.75
  5. Step 5: Solve for x
    x = 332,689,285,550,843.75/20,772,944
  6. Step 6: Final answer
    x = 16,015,509.67

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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.