Home / 18,993,070.31-26,210,460.18-10,291,236.05

Finding the Fourth Proportional to 18,993,070.31, 26,210,460.18 and 10,291,236.05

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Solution

The fourth proportional to 18,993,070.31, 26,210,460.18 and 10,291,236.05 is: 14,201,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993,070.31 : 26,210,460.18 = 10,291,236.05 : x
  2. Step 2: Convert to fraction form
    18,993,070.31/26,210,460.18 = 10,291,236.05/x
  3. Step 3: Cross multiply
    18,993,070.31x = 26,210,460.18 × 10,291,236.05
  4. Step 4: Simplify right side
    18,993,070.31x = 269,738,032,560,453.19
  5. Step 5: Solve for x
    x = 269,738,032,560,453.19/18,993,070.31
  6. Step 6: Final answer
    x = 14,201,918.29

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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.