Home / 8,555,780.52-12,833,533.08-2,078,907.12

Finding the Fourth Proportional to 8,555,780.52, 12,833,533.08 and 2,078,907.12

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Solution

The fourth proportional to 8,555,780.52, 12,833,533.08 and 2,078,907.12 is: 3,118,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555,780.52 : 12,833,533.08 = 2,078,907.12 : x
  2. Step 2: Convert to fraction form
    8,555,780.52/12,833,533.08 = 2,078,907.12/x
  3. Step 3: Cross multiply
    8,555,780.52x = 12,833,533.08 × 2,078,907.12
  4. Step 4: Simplify right side
    8,555,780.52x = 26,679,723,294,767.53
  5. Step 5: Solve for x
    x = 26,679,723,294,767.53/8,555,780.52
  6. Step 6: Final answer
    x = 3,118,327.22

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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.