Home / 8,487,423.84-12,731,010.96-2,097,676.80

Finding the Fourth Proportional to 8,487,423.84, 12,731,010.96 and 2,097,676.80

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Solution

The fourth proportional to 8,487,423.84, 12,731,010.96 and 2,097,676.80 is: 3,146,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,423.84 : 12,731,010.96 = 2,097,676.80 : x
  2. Step 2: Convert to fraction form
    8,487,423.84/12,731,010.96 = 2,097,676.80/x
  3. Step 3: Cross multiply
    8,487,423.84x = 12,731,010.96 × 2,097,676.80
  4. Step 4: Simplify right side
    8,487,423.84x = 26,705,546,331,337.73
  5. Step 5: Solve for x
    x = 26,705,546,331,337.73/8,487,423.84
  6. Step 6: Final answer
    x = 3,146,484.36

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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.