Home / 15,290,706.31-21,096,425.16-8,674,203.89

Finding the Fourth Proportional to 15,290,706.31, 21,096,425.16 and 8,674,203.89

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Solution

The fourth proportional to 15,290,706.31, 21,096,425.16 and 8,674,203.89 is: 11,967,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,706.31 : 21,096,425.16 = 8,674,203.89 : x
  2. Step 2: Convert to fraction form
    15,290,706.31/21,096,425.16 = 8,674,203.89/x
  3. Step 3: Cross multiply
    15,290,706.31x = 21,096,425.16 × 8,674,203.89
  4. Step 4: Simplify right side
    15,290,706.31x = 182,994,693,240,706.94
  5. Step 5: Solve for x
    x = 182,994,693,240,706.94/15,290,706.31
  6. Step 6: Final answer
    x = 11,967,707.02

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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.