Home / 30,795,288.64-42,494,613.33-18,402,914.77

Finding the Fourth Proportional to 30,795,288.64, 42,494,613.33 and 18,402,914.77

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Solution

The fourth proportional to 30,795,288.64, 42,494,613.33 and 18,402,914.77 is: 25,394,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795,288.64 : 42,494,613.33 = 18,402,914.77 : x
  2. Step 2: Convert to fraction form
    30,795,288.64/42,494,613.33 = 18,402,914.77/x
  3. Step 3: Cross multiply
    30,795,288.64x = 42,494,613.33 × 18,402,914.77
  4. Step 4: Simplify right side
    30,795,288.64x = 782,024,747,296,095.88
  5. Step 5: Solve for x
    x = 782,024,747,296,095.88/30,795,288.64
  6. Step 6: Final answer
    x = 25,394,298.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.