Home / 13,263,586.56-18,303,561.82-7,462,354.40

Finding the Fourth Proportional to 13,263,586.56, 18,303,561.82 and 7,462,354.40

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Solution

The fourth proportional to 13,263,586.56, 18,303,561.82 and 7,462,354.40 is: 10,297,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,586.56 : 18,303,561.82 = 7,462,354.40 : x
  2. Step 2: Convert to fraction form
    13,263,586.56/18,303,561.82 = 7,462,354.40/x
  3. Step 3: Cross multiply
    13,263,586.56x = 18,303,561.82 × 7,462,354.40
  4. Step 4: Simplify right side
    13,263,586.56x = 136,587,665,083,149.02
  5. Step 5: Solve for x
    x = 136,587,665,083,149.02/13,263,586.56
  6. Step 6: Final answer
    x = 10,297,943.51

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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.