Home / 20,802,404.10-31,191,164.55-10,724,708.10

Finding the Fourth Proportional to 20,802,404.10, 31,191,164.55 and 10,724,708.10

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Solution

The fourth proportional to 20,802,404.10, 31,191,164.55 and 10,724,708.10 is: 16,080,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,404.10 : 31,191,164.55 = 10,724,708.10 : x
  2. Step 2: Convert to fraction form
    20,802,404.10/31,191,164.55 = 10,724,708.10/x
  3. Step 3: Cross multiply
    20,802,404.10x = 31,191,164.55 × 10,724,708.10
  4. Step 4: Simplify right side
    20,802,404.10x = 334,516,135,097,817.88
  5. Step 5: Solve for x
    x = 334,516,135,097,817.88/20,802,404.10
  6. Step 6: Final answer
    x = 16,080,647.87

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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.