Home / 30,841,427.52-42,561,423.54-17,090,621.28

Finding the Fourth Proportional to 30,841,427.52, 42,561,423.54 and 17,090,621.28

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Solution

The fourth proportional to 30,841,427.52, 42,561,423.54 and 17,090,621.28 is: 23,585,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841,427.52 : 42,561,423.54 = 17,090,621.28 : x
  2. Step 2: Convert to fraction form
    30,841,427.52/42,561,423.54 = 17,090,621.28/x
  3. Step 3: Cross multiply
    30,841,427.52x = 42,561,423.54 × 17,090,621.28
  4. Step 4: Simplify right side
    30,841,427.52x = 727,401,170,859,817
  5. Step 5: Solve for x
    x = 727,401,170,859,817/30,841,427.52
  6. Step 6: Final answer
    x = 23,585,197.88

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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.