Home / 38,113,638.71-52,597,153.58-20,709,984.23

Finding the Fourth Proportional to 38,113,638.71, 52,597,153.58 and 20,709,984.23

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Solution

The fourth proportional to 38,113,638.71, 52,597,153.58 and 20,709,984.23 is: 28,579,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,638.71 : 52,597,153.58 = 20,709,984.23 : x
  2. Step 2: Convert to fraction form
    38,113,638.71/52,597,153.58 = 20,709,984.23/x
  3. Step 3: Cross multiply
    38,113,638.71x = 52,597,153.58 × 20,709,984.23
  4. Step 4: Simplify right side
    38,113,638.71x = 1,089,286,221,081,138.25
  5. Step 5: Solve for x
    x = 1,089,286,221,081,138.25/38,113,638.71
  6. Step 6: Final answer
    x = 28,579,958.72

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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.