Home / 13,999,916.40-20,957,884.20-8,317,215.60

Finding the Fourth Proportional to 13,999,916.40, 20,957,884.20 and 8,317,215.60

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Solution

The fourth proportional to 13,999,916.40, 20,957,884.20 and 8,317,215.60 is: 12,450,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,916.40 : 20,957,884.20 = 8,317,215.60 : x
  2. Step 2: Convert to fraction form
    13,999,916.40/20,957,884.20 = 8,317,215.60/x
  3. Step 3: Cross multiply
    13,999,916.40x = 20,957,884.20 × 8,317,215.60
  4. Step 4: Simplify right side
    13,999,916.40x = 174,311,241,411,233.50
  5. Step 5: Solve for x
    x = 174,311,241,411,233.50/13,999,916.40
  6. Step 6: Final answer
    x = 12,450,877.31

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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.