Home / 28,427,149.77-39,229,466.10-15,374,408.58

Finding the Fourth Proportional to 28,427,149.77, 39,229,466.10 and 15,374,408.58

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Solution

The fourth proportional to 28,427,149.77, 39,229,466.10 and 15,374,408.58 is: 21,216,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,149.77 : 39,229,466.10 = 15,374,408.58 : x
  2. Step 2: Convert to fraction form
    28,427,149.77/39,229,466.10 = 15,374,408.58/x
  3. Step 3: Cross multiply
    28,427,149.77x = 39,229,466.10 × 15,374,408.58
  4. Step 4: Simplify right side
    28,427,149.77x = 603,129,840,196,659.12
  5. Step 5: Solve for x
    x = 603,129,840,196,659.12/28,427,149.77
  6. Step 6: Final answer
    x = 21,216,683.53

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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.