Home / 30,827,702.31-42,542,214.37-18,437,795.52

Finding the Fourth Proportional to 30,827,702.31, 42,542,214.37 and 18,437,795.52

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Solution

The fourth proportional to 30,827,702.31, 42,542,214.37 and 18,437,795.52 is: 25,444,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827,702.31 : 42,542,214.37 = 18,437,795.52 : x
  2. Step 2: Convert to fraction form
    30,827,702.31/42,542,214.37 = 18,437,795.52/x
  3. Step 3: Cross multiply
    30,827,702.31x = 42,542,214.37 × 18,437,795.52
  4. Step 4: Simplify right side
    30,827,702.31x = 784,384,649,522,065.50
  5. Step 5: Solve for x
    x = 784,384,649,522,065.50/30,827,702.31
  6. Step 6: Final answer
    x = 25,444,148.96

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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.