Home / 30,434,461.01-41,995,072.03-18,507,189.95

Finding the Fourth Proportional to 30,434,461.01, 41,995,072.03 and 18,507,189.95

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Solution

The fourth proportional to 30,434,461.01, 41,995,072.03 and 18,507,189.95 is: 25,537,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434,461.01 : 41,995,072.03 = 18,507,189.95 : x
  2. Step 2: Convert to fraction form
    30,434,461.01/41,995,072.03 = 18,507,189.95/x
  3. Step 3: Cross multiply
    30,434,461.01x = 41,995,072.03 × 18,507,189.95
  4. Step 4: Simplify right side
    30,434,461.01x = 777,210,775,023,142.12
  5. Step 5: Solve for x
    x = 777,210,775,023,142.12/30,434,461.01
  6. Step 6: Final answer
    x = 25,537,195.31

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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.