Home / 18,745,649.60-28,118,474.40-6,775,586.24

Finding the Fourth Proportional to 18,745,649.60, 28,118,474.40 and 6,775,586.24

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Solution

The fourth proportional to 18,745,649.60, 28,118,474.40 and 6,775,586.24 is: 10,163,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,649.60 : 28,118,474.40 = 6,775,586.24 : x
  2. Step 2: Convert to fraction form
    18,745,649.60/28,118,474.40 = 6,775,586.24/x
  3. Step 3: Cross multiply
    18,745,649.60x = 28,118,474.40 × 6,775,586.24
  4. Step 4: Simplify right side
    18,745,649.60x = 190,519,148,234,432.25
  5. Step 5: Solve for x
    x = 190,519,148,234,432.25/18,745,649.60
  6. Step 6: Final answer
    x = 10,163,379.36

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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.