Home / 38,113,845.39-52,597,439.40-20,710,190.19

Finding the Fourth Proportional to 38,113,845.39, 52,597,439.40 and 20,710,190.19

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Solution

The fourth proportional to 38,113,845.39, 52,597,439.40 and 20,710,190.19 is: 28,580,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,845.39 : 52,597,439.40 = 20,710,190.19 : x
  2. Step 2: Convert to fraction form
    38,113,845.39/52,597,439.40 = 20,710,190.19/x
  3. Step 3: Cross multiply
    38,113,845.39x = 52,597,439.40 × 20,710,190.19
  4. Step 4: Simplify right side
    38,113,845.39x = 1,089,302,973,480,999.50
  5. Step 5: Solve for x
    x = 1,089,302,973,480,999.50/38,113,845.39
  6. Step 6: Final answer
    x = 28,580,243.28

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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.