Home / 30,394,117.24-45,599,699.22-12,211,080.76

Finding the Fourth Proportional to 30,394,117.24, 45,599,699.22 and 12,211,080.76

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Solution

The fourth proportional to 30,394,117.24, 45,599,699.22 and 12,211,080.76 is: 18,320,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394,117.24 : 45,599,699.22 = 12,211,080.76 : x
  2. Step 2: Convert to fraction form
    30,394,117.24/45,599,699.22 = 12,211,080.76/x
  3. Step 3: Cross multiply
    30,394,117.24x = 45,599,699.22 × 12,211,080.76
  4. Step 4: Simplify right side
    30,394,117.24x = 556,821,609,807,129
  5. Step 5: Solve for x
    x = 556,821,609,807,129/30,394,117.24
  6. Step 6: Final answer
    x = 18,320,045.47

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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.