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Finding the Fourth Proportional to 8,449,899.03, 12,671,666.46 and 3,057,216.30

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Solution

The fourth proportional to 8,449,899.03, 12,671,666.46 and 3,057,216.30 is: 4,584,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,899.03 : 12,671,666.46 = 3,057,216.30 : x
  2. Step 2: Convert to fraction form
    8,449,899.03/12,671,666.46 = 3,057,216.30/x
  3. Step 3: Cross multiply
    8,449,899.03x = 12,671,666.46 × 3,057,216.30
  4. Step 4: Simplify right side
    8,449,899.03x = 38,740,025,249,675.30
  5. Step 5: Solve for x
    x = 38,740,025,249,675.30/8,449,899.03
  6. Step 6: Final answer
    x = 4,584,673.16

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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.