Home / 13,040,803.36-19,535,758-8,539,432.48

Finding the Fourth Proportional to 13,040,803.36, 19,535,758 and 8,539,432.48

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Solution

The fourth proportional to 13,040,803.36, 19,535,758 and 8,539,432.48 is: 12,792,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,803.36 : 19,535,758 = 8,539,432.48 : x
  2. Step 2: Convert to fraction form
    13,040,803.36/19,535,758 = 8,539,432.48/x
  3. Step 3: Cross multiply
    13,040,803.36x = 19,535,758 × 8,539,432.48
  4. Step 4: Simplify right side
    13,040,803.36x = 166,824,286,386,619.84
  5. Step 5: Solve for x
    x = 166,824,286,386,619.84/13,040,803.36
  6. Step 6: Final answer
    x = 12,792,485.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.