Home / 30,241,072.80-45,361,609.20-11,072,455.20

Finding the Fourth Proportional to 30,241,072.80, 45,361,609.20 and 11,072,455.20

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Solution

The fourth proportional to 30,241,072.80, 45,361,609.20 and 11,072,455.20 is: 16,608,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,072.80 : 45,361,609.20 = 11,072,455.20 : x
  2. Step 2: Convert to fraction form
    30,241,072.80/45,361,609.20 = 11,072,455.20/x
  3. Step 3: Cross multiply
    30,241,072.80x = 45,361,609.20 × 11,072,455.20
  4. Step 4: Simplify right side
    30,241,072.80x = 502,264,385,666,907.81
  5. Step 5: Solve for x
    x = 502,264,385,666,907.81/30,241,072.80
  6. Step 6: Final answer
    x = 16,608,682.80

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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.