Home / 20,926,734.43-31,390,697.82-5,780,667.55

Finding the Fourth Proportional to 20,926,734.43, 31,390,697.82 and 5,780,667.55

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Solution

The fourth proportional to 20,926,734.43, 31,390,697.82 and 5,780,667.55 is: 8,671,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,734.43 : 31,390,697.82 = 5,780,667.55 : x
  2. Step 2: Convert to fraction form
    20,926,734.43/31,390,697.82 = 5,780,667.55/x
  3. Step 3: Cross multiply
    20,926,734.43x = 31,390,697.82 × 5,780,667.55
  4. Step 4: Simplify right side
    20,926,734.43x = 181,459,188,259,929.75
  5. Step 5: Solve for x
    x = 181,459,188,259,929.75/20,926,734.43
  6. Step 6: Final answer
    x = 8,671,166.01

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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.