Home / 13,326,188-19,976,512.08-5,639,258.52

Finding the Fourth Proportional to 13,326,188, 19,976,512.08 and 5,639,258.52

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Solution

The fourth proportional to 13,326,188, 19,976,512.08 and 5,639,258.52 is: 8,453,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,188 : 19,976,512.08 = 5,639,258.52 : x
  2. Step 2: Convert to fraction form
    13,326,188/19,976,512.08 = 5,639,258.52/x
  3. Step 3: Cross multiply
    13,326,188x = 19,976,512.08 × 5,639,258.52
  4. Step 4: Simplify right side
    13,326,188x = 112,652,715,947,022.91
  5. Step 5: Solve for x
    x = 112,652,715,947,022.91/13,326,188
  6. Step 6: Final answer
    x = 8,453,483.92

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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.