Home / 13,419,345.72-18,519,475.32-10,105,707.60

Finding the Fourth Proportional to 13,419,345.72, 18,519,475.32 and 10,105,707.60

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Solution

The fourth proportional to 13,419,345.72, 18,519,475.32 and 10,105,707.60 is: 13,946,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,345.72 : 18,519,475.32 = 10,105,707.60 : x
  2. Step 2: Convert to fraction form
    13,419,345.72/18,519,475.32 = 10,105,707.60/x
  3. Step 3: Cross multiply
    13,419,345.72x = 18,519,475.32 × 10,105,707.60
  4. Step 4: Simplify right side
    13,419,345.72x = 187,152,402,489,336.44
  5. Step 5: Solve for x
    x = 187,152,402,489,336.44/13,419,345.72
  6. Step 6: Final answer
    x = 13,946,462.55

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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.