Home / 18,660,742.31-25,751,943.93-10,401,328.31

Finding the Fourth Proportional to 18,660,742.31, 25,751,943.93 and 10,401,328.31

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Solution

The fourth proportional to 18,660,742.31, 25,751,943.93 and 10,401,328.31 is: 14,353,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660,742.31 : 25,751,943.93 = 10,401,328.31 : x
  2. Step 2: Convert to fraction form
    18,660,742.31/25,751,943.93 = 10,401,328.31/x
  3. Step 3: Cross multiply
    18,660,742.31x = 25,751,943.93 × 10,401,328.31
  4. Step 4: Simplify right side
    18,660,742.31x = 267,854,423,320,255.16
  5. Step 5: Solve for x
    x = 267,854,423,320,255.16/18,660,742.31
  6. Step 6: Final answer
    x = 14,353,899.69

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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.