Home / 11,688,019.80-17,532,029.70-6,586,186.20

Finding the Fourth Proportional to 11,688,019.80, 17,532,029.70 and 6,586,186.20

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Solution

The fourth proportional to 11,688,019.80, 17,532,029.70 and 6,586,186.20 is: 9,879,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,019.80 : 17,532,029.70 = 6,586,186.20 : x
  2. Step 2: Convert to fraction form
    11,688,019.80/17,532,029.70 = 6,586,186.20/x
  3. Step 3: Cross multiply
    11,688,019.80x = 17,532,029.70 × 6,586,186.20
  4. Step 4: Simplify right side
    11,688,019.80x = 115,469,212,068,130.14
  5. Step 5: Solve for x
    x = 115,469,212,068,130.14/11,688,019.80
  6. Step 6: Final answer
    x = 9,879,279.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.