Home / 20,284,587.56-30,430,424.28-8,924,740.94

Finding the Fourth Proportional to 20,284,587.56, 30,430,424.28 and 8,924,740.94

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Solution

The fourth proportional to 20,284,587.56, 30,430,424.28 and 8,924,740.94 is: 13,388,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,587.56 : 30,430,424.28 = 8,924,740.94 : x
  2. Step 2: Convert to fraction form
    20,284,587.56/30,430,424.28 = 8,924,740.94/x
  3. Step 3: Cross multiply
    20,284,587.56x = 30,430,424.28 × 8,924,740.94
  4. Step 4: Simplify right side
    20,284,587.56x = 271,583,653,393,286.03
  5. Step 5: Solve for x
    x = 271,583,653,393,286.03/20,284,587.56
  6. Step 6: Final answer
    x = 13,388,670.22

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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.