Home / 15,775,040-21,769,555.20-8,531,696

Finding the Fourth Proportional to 15,775,040, 21,769,555.20 and 8,531,696

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Solution

The fourth proportional to 15,775,040, 21,769,555.20 and 8,531,696 is: 11,773,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775,040 : 21,769,555.20 = 8,531,696 : x
  2. Step 2: Convert to fraction form
    15,775,040/21,769,555.20 = 8,531,696/x
  3. Step 3: Cross multiply
    15,775,040x = 21,769,555.20 × 8,531,696
  4. Step 4: Simplify right side
    15,775,040x = 185,731,227,021,619.19
  5. Step 5: Solve for x
    x = 185,731,227,021,619.19/15,775,040
  6. Step 6: Final answer
    x = 11,773,740.48

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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.