Home / 14,735,879.48-20,336,141.40-8,209,505.36

Finding the Fourth Proportional to 14,735,879.48, 20,336,141.40 and 8,209,505.36

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Solution

The fourth proportional to 14,735,879.48, 20,336,141.40 and 8,209,505.36 is: 11,329,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735,879.48 : 20,336,141.40 = 8,209,505.36 : x
  2. Step 2: Convert to fraction form
    14,735,879.48/20,336,141.40 = 8,209,505.36/x
  3. Step 3: Cross multiply
    14,735,879.48x = 20,336,141.40 × 8,209,505.36
  4. Step 4: Simplify right side
    14,735,879.48x = 166,949,661,825,017.91
  5. Step 5: Solve for x
    x = 166,949,661,825,017.91/14,735,879.48
  6. Step 6: Final answer
    x = 11,329,467.10

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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.