Home / 12,974,378.96-17,908,379.16-8,567,322.32

Finding the Fourth Proportional to 12,974,378.96, 17,908,379.16 and 8,567,322.32

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Solution

The fourth proportional to 12,974,378.96, 17,908,379.16 and 8,567,322.32 is: 11,825,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,378.96 : 17,908,379.16 = 8,567,322.32 : x
  2. Step 2: Convert to fraction form
    12,974,378.96/17,908,379.16 = 8,567,322.32/x
  3. Step 3: Cross multiply
    12,974,378.96x = 17,908,379.16 × 8,567,322.32
  4. Step 4: Simplify right side
    12,974,378.96x = 153,426,856,492,490.84
  5. Step 5: Solve for x
    x = 153,426,856,492,490.84/12,974,378.96
  6. Step 6: Final answer
    x = 11,825,371.91

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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.