Home / 14,759,739.09-20,368,572.54-8,144,621.79

Finding the Fourth Proportional to 14,759,739.09, 20,368,572.54 and 8,144,621.79

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Solution

The fourth proportional to 14,759,739.09, 20,368,572.54 and 8,144,621.79 is: 11,239,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759,739.09 : 20,368,572.54 = 8,144,621.79 : x
  2. Step 2: Convert to fraction form
    14,759,739.09/20,368,572.54 = 8,144,621.79/x
  3. Step 3: Cross multiply
    14,759,739.09x = 20,368,572.54 × 8,144,621.79
  4. Step 4: Simplify right side
    14,759,739.09x = 165,894,319,740,479.62
  5. Step 5: Solve for x
    x = 165,894,319,740,479.62/14,759,739.09
  6. Step 6: Final answer
    x = 11,239,651.24

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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.