Home / 13,267,998.05-18,310,590.95-7,971,313.01

Finding the Fourth Proportional to 13,267,998.05, 18,310,590.95 and 7,971,313.01

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Solution

The fourth proportional to 13,267,998.05, 18,310,590.95 and 7,971,313.01 is: 11,000,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,998.05 : 18,310,590.95 = 7,971,313.01 : x
  2. Step 2: Convert to fraction form
    13,267,998.05/18,310,590.95 = 7,971,313.01/x
  3. Step 3: Cross multiply
    13,267,998.05x = 18,310,590.95 × 7,971,313.01
  4. Step 4: Simplify right side
    13,267,998.05x = 145,959,451,729,113.75
  5. Step 5: Solve for x
    x = 145,959,451,729,113.75/13,267,998.05
  6. Step 6: Final answer
    x = 11,000,864.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.