Home / 11,971,995.28-17,960,646.52-3,451,666.96

Finding the Fourth Proportional to 11,971,995.28, 17,960,646.52 and 3,451,666.96

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Solution

The fourth proportional to 11,971,995.28, 17,960,646.52 and 3,451,666.96 is: 5,178,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,995.28 : 17,960,646.52 = 3,451,666.96 : x
  2. Step 2: Convert to fraction form
    11,971,995.28/17,960,646.52 = 3,451,666.96/x
  3. Step 3: Cross multiply
    11,971,995.28x = 17,960,646.52 × 3,451,666.96
  4. Step 4: Simplify right side
    11,971,995.28x = 61,994,170,173,322.98
  5. Step 5: Solve for x
    x = 61,994,170,173,322.98/11,971,995.28
  6. Step 6: Final answer
    x = 5,178,265.50

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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.