Home / 8,642,867-11,927,107.86-4,775,389.16

Finding the Fourth Proportional to 8,642,867, 11,927,107.86 and 4,775,389.16

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Solution

The fourth proportional to 8,642,867, 11,927,107.86 and 4,775,389.16 is: 6,590,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,867 : 11,927,107.86 = 4,775,389.16 : x
  2. Step 2: Convert to fraction form
    8,642,867/11,927,107.86 = 4,775,389.16/x
  3. Step 3: Cross multiply
    8,642,867x = 11,927,107.86 × 4,775,389.16
  4. Step 4: Simplify right side
    8,642,867x = 56,956,581,584,794.80
  5. Step 5: Solve for x
    x = 56,956,581,584,794.80/8,642,867
  6. Step 6: Final answer
    x = 6,590,010.19

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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.