Home / 7,901,144.82-11,852,666.01-2,782,516.05

Finding the Fourth Proportional to 7,901,144.82, 11,852,666.01 and 2,782,516.05

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Solution

The fourth proportional to 7,901,144.82, 11,852,666.01 and 2,782,516.05 is: 4,174,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,144.82 : 11,852,666.01 = 2,782,516.05 : x
  2. Step 2: Convert to fraction form
    7,901,144.82/11,852,666.01 = 2,782,516.05/x
  3. Step 3: Cross multiply
    7,901,144.82x = 11,852,666.01 × 2,782,516.05
  4. Step 4: Simplify right side
    7,901,144.82x = 32,980,233,408,114.46
  5. Step 5: Solve for x
    x = 32,980,233,408,114.46/7,901,144.82
  6. Step 6: Final answer
    x = 4,174,108.20

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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.