Home / 38,637,408.80-57,956,113.20-20,721,504.80

Finding the Fourth Proportional to 38,637,408.80, 57,956,113.20 and 20,721,504.80

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Solution

The fourth proportional to 38,637,408.80, 57,956,113.20 and 20,721,504.80 is: 31,082,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637,408.80 : 57,956,113.20 = 20,721,504.80 : x
  2. Step 2: Convert to fraction form
    38,637,408.80/57,956,113.20 = 20,721,504.80/x
  3. Step 3: Cross multiply
    38,637,408.80x = 57,956,113.20 × 20,721,504.80
  4. Step 4: Simplify right side
    38,637,408.80x = 1,200,937,877,863,143.50
  5. Step 5: Solve for x
    x = 1,200,937,877,863,143.50/38,637,408.80
  6. Step 6: Final answer
    x = 31,082,257.20

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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.