Home / 12,709,546.57-17,539,298.91-6,908,324.71

Finding the Fourth Proportional to 12,709,546.57, 17,539,298.91 and 6,908,324.71

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Solution

The fourth proportional to 12,709,546.57, 17,539,298.91 and 6,908,324.71 is: 9,533,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,546.57 : 17,539,298.91 = 6,908,324.71 : x
  2. Step 2: Convert to fraction form
    12,709,546.57/17,539,298.91 = 6,908,324.71/x
  3. Step 3: Cross multiply
    12,709,546.57x = 17,539,298.91 × 6,908,324.71
  4. Step 4: Simplify right side
    12,709,546.57x = 121,167,172,056,029.06
  5. Step 5: Solve for x
    x = 121,167,172,056,029.06/12,709,546.57
  6. Step 6: Final answer
    x = 9,533,555.85

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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.