Home / 8,421,105-11,621,111.11-4,750,010.14

Finding the Fourth Proportional to 8,421,105, 11,621,111.11 and 4,750,010.14

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Solution

The fourth proportional to 8,421,105, 11,621,111.11 and 4,750,010.14 is: 6,555,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,105 : 11,621,111.11 = 4,750,010.14 : x
  2. Step 2: Convert to fraction form
    8,421,105/11,621,111.11 = 4,750,010.14/x
  3. Step 3: Cross multiply
    8,421,105x = 11,621,111.11 × 4,750,010.14
  4. Step 4: Simplify right side
    8,421,105x = 55,200,395,610,566.65
  5. Step 5: Solve for x
    x = 55,200,395,610,566.65/8,421,105
  6. Step 6: Final answer
    x = 6,555,006.21

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1.5x scale

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.