Home / 30,445,012.05-45,677,669.85-20,250,063.69

Finding the Fourth Proportional to 30,445,012.05, 45,677,669.85 and 20,250,063.69

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Solution

The fourth proportional to 30,445,012.05, 45,677,669.85 and 20,250,063.69 is: 30,381,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445,012.05 : 45,677,669.85 = 20,250,063.69 : x
  2. Step 2: Convert to fraction form
    30,445,012.05/45,677,669.85 = 20,250,063.69/x
  3. Step 3: Cross multiply
    30,445,012.05x = 45,677,669.85 × 20,250,063.69
  4. Step 4: Simplify right side
    30,445,012.05x = 924,975,723,343,654
  5. Step 5: Solve for x
    x = 924,975,723,343,654/30,445,012.05
  6. Step 6: Final answer
    x = 30,381,847.84

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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.