Home / 25,492,565.65-35,179,745.60-13,890,129.09

Finding the Fourth Proportional to 25,492,565.65, 35,179,745.60 and 13,890,129.09

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Solution

The fourth proportional to 25,492,565.65, 35,179,745.60 and 13,890,129.09 is: 19,168,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492,565.65 : 35,179,745.60 = 13,890,129.09 : x
  2. Step 2: Convert to fraction form
    25,492,565.65/35,179,745.60 = 13,890,129.09/x
  3. Step 3: Cross multiply
    25,492,565.65x = 35,179,745.60 × 13,890,129.09
  4. Step 4: Simplify right side
    25,492,565.65x = 488,651,207,759,914.81
  5. Step 5: Solve for x
    x = 488,651,207,759,914.81/25,492,565.65
  6. Step 6: Final answer
    x = 19,168,380.87

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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.