Home / 20,412,453.52-28,130,427.66-14,601,145.60

Finding the Fourth Proportional to 20,412,453.52, 28,130,427.66 and 14,601,145.60

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Solution

The fourth proportional to 20,412,453.52, 28,130,427.66 and 14,601,145.60 is: 20,121,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,453.52 : 28,130,427.66 = 14,601,145.60 : x
  2. Step 2: Convert to fraction form
    20,412,453.52/28,130,427.66 = 14,601,145.60/x
  3. Step 3: Cross multiply
    20,412,453.52x = 28,130,427.66 × 14,601,145.60
  4. Step 4: Simplify right side
    20,412,453.52x = 410,736,470,053,927.31
  5. Step 5: Solve for x
    x = 410,736,470,053,927.31/20,412,453.52
  6. Step 6: Final answer
    x = 20,121,856.97

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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.