Home / 12,672,534.60-18,994,805.10-6,996,832.20

Finding the Fourth Proportional to 12,672,534.60, 18,994,805.10 and 6,996,832.20

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Solution

The fourth proportional to 12,672,534.60, 18,994,805.10 and 6,996,832.20 is: 10,487,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,534.60 : 18,994,805.10 = 6,996,832.20 : x
  2. Step 2: Convert to fraction form
    12,672,534.60/18,994,805.10 = 6,996,832.20/x
  3. Step 3: Cross multiply
    12,672,534.60x = 18,994,805.10 × 6,996,832.20
  4. Step 4: Simplify right side
    12,672,534.60x = 132,903,463,956,404.23
  5. Step 5: Solve for x
    x = 132,903,463,956,404.23/12,672,534.60
  6. Step 6: Final answer
    x = 10,487,520.31

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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.