Home / 11,325,126.16-15,632,089.32-7,705,553.68

Finding the Fourth Proportional to 11,325,126.16, 15,632,089.32 and 7,705,553.68

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Solution

The fourth proportional to 11,325,126.16, 15,632,089.32 and 7,705,553.68 is: 10,635,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325,126.16 : 15,632,089.32 = 7,705,553.68 : x
  2. Step 2: Convert to fraction form
    11,325,126.16/15,632,089.32 = 7,705,553.68/x
  3. Step 3: Cross multiply
    11,325,126.16x = 15,632,089.32 × 7,705,553.68
  4. Step 4: Simplify right side
    11,325,126.16x = 120,453,903,385,814.69
  5. Step 5: Solve for x
    x = 120,453,903,385,814.69/11,325,126.16
  6. Step 6: Final answer
    x = 10,635,987.77

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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.