Home / 10,418,216.78-15,627,915.65-3,230,772.50

Finding the Fourth Proportional to 10,418,216.78, 15,627,915.65 and 3,230,772.50

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Solution

The fourth proportional to 10,418,216.78, 15,627,915.65 and 3,230,772.50 is: 4,846,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,216.78 : 15,627,915.65 = 3,230,772.50 : x
  2. Step 2: Convert to fraction form
    10,418,216.78/15,627,915.65 = 3,230,772.50/x
  3. Step 3: Cross multiply
    10,418,216.78x = 15,627,915.65 × 3,230,772.50
  4. Step 4: Simplify right side
    10,418,216.78x = 50,490,240,114,339.62
  5. Step 5: Solve for x
    x = 50,490,240,114,339.62/10,418,216.78
  6. Step 6: Final answer
    x = 4,846,341.86

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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.