Home / 12,434,427.40-18,651,641.10-3,458,979.40

Finding the Fourth Proportional to 12,434,427.40, 18,651,641.10 and 3,458,979.40

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Solution

The fourth proportional to 12,434,427.40, 18,651,641.10 and 3,458,979.40 is: 5,188,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,427.40 : 18,651,641.10 = 3,458,979.40 : x
  2. Step 2: Convert to fraction form
    12,434,427.40/18,651,641.10 = 3,458,979.40/x
  3. Step 3: Cross multiply
    12,434,427.40x = 18,651,641.10 × 3,458,979.40
  4. Step 4: Simplify right side
    12,434,427.40x = 64,515,642,341,093.34
  5. Step 5: Solve for x
    x = 64,515,642,341,093.34/12,434,427.40
  6. Step 6: Final answer
    x = 5,188,469.10

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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.