Home / 28,530,215.37-39,371,676.93-15,477,476.67

Finding the Fourth Proportional to 28,530,215.37, 39,371,676.93 and 15,477,476.67

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Solution

The fourth proportional to 28,530,215.37, 39,371,676.93 and 15,477,476.67 is: 21,358,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,215.37 : 39,371,676.93 = 15,477,476.67 : x
  2. Step 2: Convert to fraction form
    28,530,215.37/39,371,676.93 = 15,477,476.67/x
  3. Step 3: Cross multiply
    28,530,215.37x = 39,371,676.93 × 15,477,476.67
  4. Step 4: Simplify right side
    28,530,215.37x = 609,374,211,142,852.25
  5. Step 5: Solve for x
    x = 609,374,211,142,852.25/28,530,215.37
  6. Step 6: Final answer
    x = 21,358,906.80

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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.