Home / 15,533,181.20-21,435,889.56-8,658,099.20

Finding the Fourth Proportional to 15,533,181.20, 21,435,889.56 and 8,658,099.20

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Solution

The fourth proportional to 15,533,181.20, 21,435,889.56 and 8,658,099.20 is: 11,948,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,181.20 : 21,435,889.56 = 8,658,099.20 : x
  2. Step 2: Convert to fraction form
    15,533,181.20/21,435,889.56 = 8,658,099.20/x
  3. Step 3: Cross multiply
    15,533,181.20x = 21,435,889.56 × 8,658,099.20
  4. Step 4: Simplify right side
    15,533,181.20x = 185,594,058,250,724.31
  5. Step 5: Solve for x
    x = 185,594,058,250,724.31/15,533,181.20
  6. Step 6: Final answer
    x = 11,948,232.36

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1.5x scale

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.