Home / 21,314,576.34-31,967,042.54-9,788,963.22

Finding the Fourth Proportional to 21,314,576.34, 31,967,042.54 and 9,788,963.22

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Solution

The fourth proportional to 21,314,576.34, 31,967,042.54 and 9,788,963.22 is: 14,681,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,576.34 : 31,967,042.54 = 9,788,963.22 : x
  2. Step 2: Convert to fraction form
    21,314,576.34/31,967,042.54 = 9,788,963.22/x
  3. Step 3: Cross multiply
    21,314,576.34x = 31,967,042.54 × 9,788,963.22
  4. Step 4: Simplify right side
    21,314,576.34x = 312,924,203,676,235.38
  5. Step 5: Solve for x
    x = 312,924,203,676,235.38/21,314,576.34
  6. Step 6: Final answer
    x = 14,681,230.29

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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.