Home / 13,970,955.80-19,269,526.38-12,336,479.48

Finding the Fourth Proportional to 13,970,955.80, 19,269,526.38 and 12,336,479.48

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Solution

The fourth proportional to 13,970,955.80, 19,269,526.38 and 12,336,479.48 is: 17,015,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970,955.80 : 19,269,526.38 = 12,336,479.48 : x
  2. Step 2: Convert to fraction form
    13,970,955.80/19,269,526.38 = 12,336,479.48/x
  3. Step 3: Cross multiply
    13,970,955.80x = 19,269,526.38 × 12,336,479.48
  4. Step 4: Simplify right side
    13,970,955.80x = 237,718,116,776,188.69
  5. Step 5: Solve for x
    x = 237,718,116,776,188.69/13,970,955.80
  6. Step 6: Final answer
    x = 17,015,164.90

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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.