Home / 30,200,862.84-45,307,215.44-12,001,665.84

Finding the Fourth Proportional to 30,200,862.84, 45,307,215.44 and 12,001,665.84

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Solution

The fourth proportional to 30,200,862.84, 45,307,215.44 and 12,001,665.84 is: 18,004,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200,862.84 : 45,307,215.44 = 12,001,665.84 : x
  2. Step 2: Convert to fraction form
    30,200,862.84/45,307,215.44 = 12,001,665.84/x
  3. Step 3: Cross multiply
    30,200,862.84x = 45,307,215.44 × 12,001,665.84
  4. Step 4: Simplify right side
    30,200,862.84x = 543,762,059,851,768.56
  5. Step 5: Solve for x
    x = 543,762,059,851,768.56/30,200,862.84
  6. Step 6: Final answer
    x = 18,004,851.81

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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.