Home / 12,977,663.20-19,466,494.80-11,298,047.20

Finding the Fourth Proportional to 12,977,663.20, 19,466,494.80 and 11,298,047.20

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Solution

The fourth proportional to 12,977,663.20, 19,466,494.80 and 11,298,047.20 is: 16,947,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,663.20 : 19,466,494.80 = 11,298,047.20 : x
  2. Step 2: Convert to fraction form
    12,977,663.20/19,466,494.80 = 11,298,047.20/x
  3. Step 3: Cross multiply
    12,977,663.20x = 19,466,494.80 × 11,298,047.20
  4. Step 4: Simplify right side
    12,977,663.20x = 219,933,377,068,954.56
  5. Step 5: Solve for x
    x = 219,933,377,068,954.56/12,977,663.20
  6. Step 6: Final answer
    x = 16,947,070.80

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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.