Home / 20,091,369.60-30,144,052.80-8,739,964.80

Finding the Fourth Proportional to 20,091,369.60, 30,144,052.80 and 8,739,964.80

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Solution

The fourth proportional to 20,091,369.60, 30,144,052.80 and 8,739,964.80 is: 13,112,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091,369.60 : 30,144,052.80 = 8,739,964.80 : x
  2. Step 2: Convert to fraction form
    20,091,369.60/30,144,052.80 = 8,739,964.80/x
  3. Step 3: Cross multiply
    20,091,369.60x = 30,144,052.80 × 8,739,964.80
  4. Step 4: Simplify right side
    20,091,369.60x = 263,457,960,401,341.47
  5. Step 5: Solve for x
    x = 263,457,960,401,341.47/20,091,369.60
  6. Step 6: Final answer
    x = 13,112,991.58

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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.