Home / 38,363,430.40-57,450,667.20-18,145,052.80

Finding the Fourth Proportional to 38,363,430.40, 57,450,667.20 and 18,145,052.80

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Solution

The fourth proportional to 38,363,430.40, 57,450,667.20 and 18,145,052.80 is: 27,172,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363,430.40 : 57,450,667.20 = 18,145,052.80 : x
  2. Step 2: Convert to fraction form
    38,363,430.40/57,450,667.20 = 18,145,052.80/x
  3. Step 3: Cross multiply
    38,363,430.40x = 57,450,667.20 × 18,145,052.80
  4. Step 4: Simplify right side
    38,363,430.40x = 1,042,445,389,739,228.25
  5. Step 5: Solve for x
    x = 1,042,445,389,739,228.25/38,363,430.40
  6. Step 6: Final answer
    x = 27,172,893.01

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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.