Home / 12,172,288-16,798,283.22-6,739,780

Finding the Fourth Proportional to 12,172,288, 16,798,283.22 and 6,739,780

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Solution

The fourth proportional to 12,172,288, 16,798,283.22 and 6,739,780 is: 9,301,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,288 : 16,798,283.22 = 6,739,780 : x
  2. Step 2: Convert to fraction form
    12,172,288/16,798,283.22 = 6,739,780/x
  3. Step 3: Cross multiply
    12,172,288x = 16,798,283.22 × 6,739,780
  4. Step 4: Simplify right side
    12,172,288x = 113,216,733,280,491.59
  5. Step 5: Solve for x
    x = 113,216,733,280,491.59/12,172,288
  6. Step 6: Final answer
    x = 9,301,187.52

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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.