Home / 12,286,980.75-16,956,040.73-6,854,472.75

Finding the Fourth Proportional to 12,286,980.75, 16,956,040.73 and 6,854,472.75

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Solution

The fourth proportional to 12,286,980.75, 16,956,040.73 and 6,854,472.75 is: 9,459,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,980.75 : 16,956,040.73 = 6,854,472.75 : x
  2. Step 2: Convert to fraction form
    12,286,980.75/16,956,040.73 = 6,854,472.75/x
  3. Step 3: Cross multiply
    12,286,980.75x = 16,956,040.73 × 6,854,472.75
  4. Step 4: Simplify right side
    12,286,980.75x = 116,224,719,131,675.11
  5. Step 5: Solve for x
    x = 116,224,719,131,675.11/12,286,980.75
  6. Step 6: Final answer
    x = 9,459,176.46

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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.