Home / 30,795,287.64-42,494,611.95-18,402,913.77

Finding the Fourth Proportional to 30,795,287.64, 42,494,611.95 and 18,402,913.77

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Solution

The fourth proportional to 30,795,287.64, 42,494,611.95 and 18,402,913.77 is: 25,394,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795,287.64 : 42,494,611.95 = 18,402,913.77 : x
  2. Step 2: Convert to fraction form
    30,795,287.64/42,494,611.95 = 18,402,913.77/x
  3. Step 3: Cross multiply
    30,795,287.64x = 42,494,611.95 × 18,402,913.77
  4. Step 4: Simplify right side
    30,795,287.64x = 782,024,679,405,461.62
  5. Step 5: Solve for x
    x = 782,024,679,405,461.62/30,795,287.64
  6. Step 6: Final answer
    x = 25,394,296.96

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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.