Home / 10,421,881.96-15,609,725.34-8,007,958.12

Finding the Fourth Proportional to 10,421,881.96, 15,609,725.34 and 8,007,958.12

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Solution

The fourth proportional to 10,421,881.96, 15,609,725.34 and 8,007,958.12 is: 11,994,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421,881.96 : 15,609,725.34 = 8,007,958.12 : x
  2. Step 2: Convert to fraction form
    10,421,881.96/15,609,725.34 = 8,007,958.12/x
  3. Step 3: Cross multiply
    10,421,881.96x = 15,609,725.34 × 8,007,958.12
  4. Step 4: Simplify right side
    10,421,881.96x = 125,002,026,787,422.77
  5. Step 5: Solve for x
    x = 125,002,026,787,422.77/10,421,881.96
  6. Step 6: Final answer
    x = 11,994,189.46

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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.