Home / 13,076,121.58-18,037,533.56-8,172,834.10

Finding the Fourth Proportional to 13,076,121.58, 18,037,533.56 and 8,172,834.10

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Solution

The fourth proportional to 13,076,121.58, 18,037,533.56 and 8,172,834.10 is: 11,273,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,121.58 : 18,037,533.56 = 8,172,834.10 : x
  2. Step 2: Convert to fraction form
    13,076,121.58/18,037,533.56 = 8,172,834.10/x
  3. Step 3: Cross multiply
    13,076,121.58x = 18,037,533.56 × 8,172,834.10
  4. Step 4: Simplify right side
    13,076,121.58x = 147,417,769,334,400.66
  5. Step 5: Solve for x
    x = 147,417,769,334,400.66/13,076,121.58
  6. Step 6: Final answer
    x = 11,273,814.52

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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.