Home / 13,989,753.54-20,985,379.29-4,405,878.36

Finding the Fourth Proportional to 13,989,753.54, 20,985,379.29 and 4,405,878.36

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Solution

The fourth proportional to 13,989,753.54, 20,985,379.29 and 4,405,878.36 is: 6,609,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,753.54 : 20,985,379.29 = 4,405,878.36 : x
  2. Step 2: Convert to fraction form
    13,989,753.54/20,985,379.29 = 4,405,878.36/x
  3. Step 3: Cross multiply
    13,989,753.54x = 20,985,379.29 × 4,405,878.36
  4. Step 4: Simplify right side
    13,989,753.54x = 92,459,028,490,203.17
  5. Step 5: Solve for x
    x = 92,459,028,490,203.17/13,989,753.54
  6. Step 6: Final answer
    x = 6,609,053.42

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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.