Home / 15,910,430.40-21,956,387.04-8,667,086.40

Finding the Fourth Proportional to 15,910,430.40, 21,956,387.04 and 8,667,086.40

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Solution

The fourth proportional to 15,910,430.40, 21,956,387.04 and 8,667,086.40 is: 11,960,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910,430.40 : 21,956,387.04 = 8,667,086.40 : x
  2. Step 2: Convert to fraction form
    15,910,430.40/21,956,387.04 = 8,667,086.40/x
  3. Step 3: Cross multiply
    15,910,430.40x = 21,956,387.04 × 8,667,086.40
  4. Step 4: Simplify right side
    15,910,430.40x = 190,297,903,507,520.25
  5. Step 5: Solve for x
    x = 190,297,903,507,520.25/15,910,430.40
  6. Step 6: Final answer
    x = 11,960,575.47

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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.