Home / 14,503,618.30-20,015,371.96-7,977,419.05

Finding the Fourth Proportional to 14,503,618.30, 20,015,371.96 and 7,977,419.05

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Solution

The fourth proportional to 14,503,618.30, 20,015,371.96 and 7,977,419.05 is: 11,009,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,618.30 : 20,015,371.96 = 7,977,419.05 : x
  2. Step 2: Convert to fraction form
    14,503,618.30/20,015,371.96 = 7,977,419.05/x
  3. Step 3: Cross multiply
    14,503,618.30x = 20,015,371.96 × 7,977,419.05
  4. Step 4: Simplify right side
    14,503,618.30x = 159,671,009,496,557.88
  5. Step 5: Solve for x
    x = 159,671,009,496,557.88/14,503,618.30
  6. Step 6: Final answer
    x = 11,009,046.59

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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.