Home / 13,269,479.37-18,312,470.73-7,468,636.83

Finding the Fourth Proportional to 13,269,479.37, 18,312,470.73 and 7,468,636.83

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Solution

The fourth proportional to 13,269,479.37, 18,312,470.73 and 7,468,636.83 is: 10,307,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,479.37 : 18,312,470.73 = 7,468,636.83 : x
  2. Step 2: Convert to fraction form
    13,269,479.37/18,312,470.73 = 7,468,636.83/x
  3. Step 3: Cross multiply
    13,269,479.37x = 18,312,470.73 × 7,468,636.83
  4. Step 4: Simplify right side
    13,269,479.37x = 136,769,193,342,374.98
  5. Step 5: Solve for x
    x = 136,769,193,342,374.98/13,269,479.37
  6. Step 6: Final answer
    x = 10,307,050.45

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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.