Home / 13,375,641.88-18,458,384.82-7,575,544.64

Finding the Fourth Proportional to 13,375,641.88, 18,458,384.82 and 7,575,544.64

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Solution

The fourth proportional to 13,375,641.88, 18,458,384.82 and 7,575,544.64 is: 10,454,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,641.88 : 18,458,384.82 = 7,575,544.64 : x
  2. Step 2: Convert to fraction form
    13,375,641.88/18,458,384.82 = 7,575,544.64/x
  3. Step 3: Cross multiply
    13,375,641.88x = 18,458,384.82 × 7,575,544.64
  4. Step 4: Simplify right side
    13,375,641.88x = 139,832,318,186,208.36
  5. Step 5: Solve for x
    x = 139,832,318,186,208.36/13,375,641.88
  6. Step 6: Final answer
    x = 10,454,251.05

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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.