Home / 8,886,690.81-13,329,937.80-2,821,259.52

Finding the Fourth Proportional to 8,886,690.81, 13,329,937.80 and 2,821,259.52

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Solution

The fourth proportional to 8,886,690.81, 13,329,937.80 and 2,821,259.52 is: 4,231,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886,690.81 : 13,329,937.80 = 2,821,259.52 : x
  2. Step 2: Convert to fraction form
    8,886,690.81/13,329,937.80 = 2,821,259.52/x
  3. Step 3: Cross multiply
    8,886,690.81x = 13,329,937.80 × 2,821,259.52
  4. Step 4: Simplify right side
    8,886,690.81x = 37,607,213,919,257.86
  5. Step 5: Solve for x
    x = 37,607,213,919,257.86/8,886,690.81
  6. Step 6: Final answer
    x = 4,231,858.04

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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.