Home / 14,789,710.34-20,410,856.39-8,174,156.63

Finding the Fourth Proportional to 14,789,710.34, 20,410,856.39 and 8,174,156.63

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Solution

The fourth proportional to 14,789,710.34, 20,410,856.39 and 8,174,156.63 is: 11,280,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789,710.34 : 20,410,856.39 = 8,174,156.63 : x
  2. Step 2: Convert to fraction form
    14,789,710.34/20,410,856.39 = 8,174,156.63/x
  3. Step 3: Cross multiply
    14,789,710.34x = 20,410,856.39 × 8,174,156.63
  4. Step 4: Simplify right side
    14,789,710.34x = 166,841,536,941,371.31
  5. Step 5: Solve for x
    x = 166,841,536,941,371.31/14,789,710.34
  6. Step 6: Final answer
    x = 11,280,919.85

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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.