Home / 11,991,821.92-16,549,667.58-7,642,860.64

Finding the Fourth Proportional to 11,991,821.92, 16,549,667.58 and 7,642,860.64

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Solution

The fourth proportional to 11,991,821.92, 16,549,667.58 and 7,642,860.64 is: 10,547,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991,821.92 : 16,549,667.58 = 7,642,860.64 : x
  2. Step 2: Convert to fraction form
    11,991,821.92/16,549,667.58 = 7,642,860.64/x
  3. Step 3: Cross multiply
    11,991,821.92x = 16,549,667.58 × 7,642,860.64
  4. Step 4: Simplify right side
    11,991,821.92x = 126,486,802,952,266.05
  5. Step 5: Solve for x
    x = 126,486,802,952,266.05/11,991,821.92
  6. Step 6: Final answer
    x = 10,547,755.28

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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.