Home / 36,190,120.80-54,293,054.40-11,924,918.40

Finding the Fourth Proportional to 36,190,120.80, 54,293,054.40 and 11,924,918.40

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Solution

The fourth proportional to 36,190,120.80, 54,293,054.40 and 11,924,918.40 is: 17,889,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190,120.80 : 54,293,054.40 = 11,924,918.40 : x
  2. Step 2: Convert to fraction form
    36,190,120.80/54,293,054.40 = 11,924,918.40/x
  3. Step 3: Cross multiply
    36,190,120.80x = 54,293,054.40 × 11,924,918.40
  4. Step 4: Simplify right side
    36,190,120.80x = 647,440,243,406,761
  5. Step 5: Solve for x
    x = 647,440,243,406,761/36,190,120.80
  6. Step 6: Final answer
    x = 17,889,971.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.