Home / 12,308,820.50-18,446,727.05-9,579,663.41

Finding the Fourth Proportional to 12,308,820.50, 18,446,727.05 and 9,579,663.41

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Solution

The fourth proportional to 12,308,820.50, 18,446,727.05 and 9,579,663.41 is: 14,356,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,820.50 : 18,446,727.05 = 9,579,663.41 : x
  2. Step 2: Convert to fraction form
    12,308,820.50/18,446,727.05 = 9,579,663.41/x
  3. Step 3: Cross multiply
    12,308,820.50x = 18,446,727.05 × 9,579,663.41
  4. Step 4: Simplify right side
    12,308,820.50x = 176,713,436,015,010.28
  5. Step 5: Solve for x
    x = 176,713,436,015,010.28/12,308,820.50
  6. Step 6: Final answer
    x = 14,356,650.67

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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.