Home / 18,431,806.48-25,445,455.28-13,464,670.48

Finding the Fourth Proportional to 18,431,806.48, 25,445,455.28 and 13,464,670.48

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Solution

The fourth proportional to 18,431,806.48, 25,445,455.28 and 13,464,670.48 is: 18,588,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,806.48 : 25,445,455.28 = 13,464,670.48 : x
  2. Step 2: Convert to fraction form
    18,431,806.48/25,445,455.28 = 13,464,670.48/x
  3. Step 3: Cross multiply
    18,431,806.48x = 25,445,455.28 × 13,464,670.48
  4. Step 4: Simplify right side
    18,431,806.48x = 342,614,670,558,776.19
  5. Step 5: Solve for x
    x = 342,614,670,558,776.19/18,431,806.48
  6. Step 6: Final answer
    x = 18,588,230.67

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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.