Home / 30,288,193.74-45,433,214.79-11,843,402.06

Finding the Fourth Proportional to 30,288,193.74, 45,433,214.79 and 11,843,402.06

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Solution

The fourth proportional to 30,288,193.74, 45,433,214.79 and 11,843,402.06 is: 17,765,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288,193.74 : 45,433,214.79 = 11,843,402.06 : x
  2. Step 2: Convert to fraction form
    30,288,193.74/45,433,214.79 = 11,843,402.06/x
  3. Step 3: Cross multiply
    30,288,193.74x = 45,433,214.79 × 11,843,402.06
  4. Step 4: Simplify right side
    30,288,193.74x = 538,083,829,749,891.50
  5. Step 5: Solve for x
    x = 538,083,829,749,891.50/30,288,193.74
  6. Step 6: Final answer
    x = 17,765,464.47

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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.