Home / 30,841,428.52-42,561,424.92-17,090,622.28

Finding the Fourth Proportional to 30,841,428.52, 42,561,424.92 and 17,090,622.28

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Solution

The fourth proportional to 30,841,428.52, 42,561,424.92 and 17,090,622.28 is: 23,585,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841,428.52 : 42,561,424.92 = 17,090,622.28 : x
  2. Step 2: Convert to fraction form
    30,841,428.52/42,561,424.92 = 17,090,622.28/x
  3. Step 3: Cross multiply
    30,841,428.52x = 42,561,424.92 × 17,090,622.28
  4. Step 4: Simplify right side
    30,841,428.52x = 727,401,237,006,299.25
  5. Step 5: Solve for x
    x = 727,401,237,006,299.25/30,841,428.52
  6. Step 6: Final answer
    x = 23,585,199.26

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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.