Home / 20,130,850.71-30,194,014.55-5,559,841.71

Finding the Fourth Proportional to 20,130,850.71, 30,194,014.55 and 5,559,841.71

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Solution

The fourth proportional to 20,130,850.71, 30,194,014.55 and 5,559,841.71 is: 8,339,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,850.71 : 30,194,014.55 = 5,559,841.71 : x
  2. Step 2: Convert to fraction form
    20,130,850.71/30,194,014.55 = 5,559,841.71/x
  3. Step 3: Cross multiply
    20,130,850.71x = 30,194,014.55 × 5,559,841.71
  4. Step 4: Simplify right side
    20,130,850.71x = 167,873,941,459,637.69
  5. Step 5: Solve for x
    x = 167,873,941,459,637.69/20,130,850.71
  6. Step 6: Final answer
    x = 8,339,137.97

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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.