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Finding the Fourth Proportional to 8,449,897.03, 12,671,663.46 and 3,057,214.30

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Solution

The fourth proportional to 8,449,897.03, 12,671,663.46 and 3,057,214.30 is: 4,584,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,897.03 : 12,671,663.46 = 3,057,214.30 : x
  2. Step 2: Convert to fraction form
    8,449,897.03/12,671,663.46 = 3,057,214.30/x
  3. Step 3: Cross multiply
    8,449,897.03x = 12,671,663.46 × 3,057,214.30
  4. Step 4: Simplify right side
    8,449,897.03x = 38,739,990,691,555.77
  5. Step 5: Solve for x
    x = 38,739,990,691,555.77/8,449,897.03
  6. Step 6: Final answer
    x = 4,584,670.15

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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.