Home / 18,602,189.43-25,671,399.31-10,342,579.33

Finding the Fourth Proportional to 18,602,189.43, 25,671,399.31 and 10,342,579.33

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Solution

The fourth proportional to 18,602,189.43, 25,671,399.31 and 10,342,579.33 is: 14,272,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602,189.43 : 25,671,399.31 = 10,342,579.33 : x
  2. Step 2: Convert to fraction form
    18,602,189.43/25,671,399.31 = 10,342,579.33/x
  3. Step 3: Cross multiply
    18,602,189.43x = 25,671,399.31 × 10,342,579.33
  4. Step 4: Simplify right side
    18,602,189.43x = 265,508,483,920,799.78
  5. Step 5: Solve for x
    x = 265,508,483,920,799.78/18,602,189.43
  6. Step 6: Final answer
    x = 14,272,969.59

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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.