Home / 12,609,913.68-18,911,424.60-4,521,387.60

Finding the Fourth Proportional to 12,609,913.68, 18,911,424.60 and 4,521,387.60

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Solution

The fourth proportional to 12,609,913.68, 18,911,424.60 and 4,521,387.60 is: 6,780,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,913.68 : 18,911,424.60 = 4,521,387.60 : x
  2. Step 2: Convert to fraction form
    12,609,913.68/18,911,424.60 = 4,521,387.60/x
  3. Step 3: Cross multiply
    12,609,913.68x = 18,911,424.60 × 4,521,387.60
  4. Step 4: Simplify right side
    12,609,913.68x = 85,505,880,684,774.95
  5. Step 5: Solve for x
    x = 85,505,880,684,774.95/12,609,913.68
  6. Step 6: Final answer
    x = 6,780,845.84

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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.