Home / 15,482,579.12-21,366,688.44-8,607,176

Finding the Fourth Proportional to 15,482,579.12, 21,366,688.44 and 8,607,176

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Solution

The fourth proportional to 15,482,579.12, 21,366,688.44 and 8,607,176 is: 11,878,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,579.12 : 21,366,688.44 = 8,607,176 : x
  2. Step 2: Convert to fraction form
    15,482,579.12/21,366,688.44 = 8,607,176/x
  3. Step 3: Cross multiply
    15,482,579.12x = 21,366,688.44 × 8,607,176
  4. Step 4: Simplify right side
    15,482,579.12x = 183,906,847,940,245.44
  5. Step 5: Solve for x
    x = 183,906,847,940,245.44/15,482,579.12
  6. Step 6: Final answer
    x = 11,878,308.29

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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.