Home / 14,415,104.50-19,902,128.38-12,863,698.13

Finding the Fourth Proportional to 14,415,104.50, 19,902,128.38 and 12,863,698.13

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Solution

The fourth proportional to 14,415,104.50, 19,902,128.38 and 12,863,698.13 is: 17,760,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415,104.50 : 19,902,128.38 = 12,863,698.13 : x
  2. Step 2: Convert to fraction form
    14,415,104.50/19,902,128.38 = 12,863,698.13/x
  3. Step 3: Cross multiply
    14,415,104.50x = 19,902,128.38 × 12,863,698.13
  4. Step 4: Simplify right side
    14,415,104.50x = 256,014,971,642,422.03
  5. Step 5: Solve for x
    x = 256,014,971,642,422.03/14,415,104.50
  6. Step 6: Final answer
    x = 17,760,188.40

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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.