Home / 28,530,185.91-39,371,636.50-15,477,447.30

Finding the Fourth Proportional to 28,530,185.91, 39,371,636.50 and 15,477,447.30

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Solution

The fourth proportional to 28,530,185.91, 39,371,636.50 and 15,477,447.30 is: 21,358,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,185.91 : 39,371,636.50 = 15,477,447.30 : x
  2. Step 2: Convert to fraction form
    28,530,185.91/39,371,636.50 = 15,477,447.30/x
  3. Step 3: Cross multiply
    28,530,185.91x = 39,371,636.50 × 15,477,447.30
  4. Step 4: Simplify right side
    28,530,185.91x = 609,372,429,043,506.50
  5. Step 5: Solve for x
    x = 609,372,429,043,506.50/28,530,185.91
  6. Step 6: Final answer
    x = 21,358,866.39

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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.