Home / 38,112,933.92-52,595,742.48-20,709,339.60

Finding the Fourth Proportional to 38,112,933.92, 52,595,742.48 and 20,709,339.60

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Solution

The fourth proportional to 38,112,933.92, 52,595,742.48 and 20,709,339.60 is: 28,578,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112,933.92 : 52,595,742.48 = 20,709,339.60 : x
  2. Step 2: Convert to fraction form
    38,112,933.92/52,595,742.48 = 20,709,339.60/x
  3. Step 3: Cross multiply
    38,112,933.92x = 52,595,742.48 × 20,709,339.60
  4. Step 4: Simplify right side
    38,112,933.92x = 1,089,223,092,532,466.25
  5. Step 5: Solve for x
    x = 1,089,223,092,532,466.25/38,112,933.92
  6. Step 6: Final answer
    x = 28,578,830.87

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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.