Home / 12,977,654.20-19,466,481.30-11,298,038.20

Finding the Fourth Proportional to 12,977,654.20, 19,466,481.30 and 11,298,038.20

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Solution

The fourth proportional to 12,977,654.20, 19,466,481.30 and 11,298,038.20 is: 16,947,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,654.20 : 19,466,481.30 = 11,298,038.20 : x
  2. Step 2: Convert to fraction form
    12,977,654.20/19,466,481.30 = 11,298,038.20/x
  3. Step 3: Cross multiply
    12,977,654.20x = 19,466,481.30 × 11,298,038.20
  4. Step 4: Simplify right side
    12,977,654.20x = 219,933,049,346,985.66
  5. Step 5: Solve for x
    x = 219,933,049,346,985.66/12,977,654.20
  6. Step 6: Final answer
    x = 16,947,057.30

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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.