Home / 30,827,701.31-42,542,213.00-18,437,794.52

Finding the Fourth Proportional to 30,827,701.31, 42,542,213.00 and 18,437,794.52

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Solution

The fourth proportional to 30,827,701.31, 42,542,213.00 and 18,437,794.52 is: 25,444,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827,701.31 : 42,542,213.00 = 18,437,794.52 : x
  2. Step 2: Convert to fraction form
    30,827,701.31/42,542,213.00 = 18,437,794.52/x
  3. Step 3: Cross multiply
    30,827,701.31x = 42,542,213.00 × 18,437,794.52
  4. Step 4: Simplify right side
    30,827,701.31x = 784,384,581,415,172.75
  5. Step 5: Solve for x
    x = 784,384,581,415,172.75/30,827,701.31
  6. Step 6: Final answer
    x = 25,444,147.58

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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.