Home / 39,351,713.60-59,027,570.40-20,219,837.60

Finding the Fourth Proportional to 39,351,713.60, 59,027,570.40 and 20,219,837.60

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Solution

The fourth proportional to 39,351,713.60, 59,027,570.40 and 20,219,837.60 is: 30,329,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351,713.60 : 59,027,570.40 = 20,219,837.60 : x
  2. Step 2: Convert to fraction form
    39,351,713.60/59,027,570.40 = 20,219,837.60/x
  3. Step 3: Cross multiply
    39,351,713.60x = 59,027,570.40 × 20,219,837.60
  4. Step 4: Simplify right side
    39,351,713.60x = 1,193,527,887,410,567
  5. Step 5: Solve for x
    x = 1,193,527,887,410,567/39,351,713.60
  6. Step 6: Final answer
    x = 30,329,756.40

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Double scale
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Similar ratio
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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.