Home / 11,905,795.92-16,429,522.32-7,011,224.40

Finding the Fourth Proportional to 11,905,795.92, 16,429,522.32 and 7,011,224.40

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Solution

The fourth proportional to 11,905,795.92, 16,429,522.32 and 7,011,224.40 is: 9,675,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,795.92 : 16,429,522.32 = 7,011,224.40 : x
  2. Step 2: Convert to fraction form
    11,905,795.92/16,429,522.32 = 7,011,224.40/x
  3. Step 3: Cross multiply
    11,905,795.92x = 16,429,522.32 × 7,011,224.40
  4. Step 4: Simplify right side
    11,905,795.92x = 115,191,067,770,328.61
  5. Step 5: Solve for x
    x = 115,191,067,770,328.61/11,905,795.92
  6. Step 6: Final answer
    x = 9,675,209.33

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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.