Home / 13,256,081.64-18,291,785.40-7,374,325.44

Finding the Fourth Proportional to 13,256,081.64, 18,291,785.40 and 7,374,325.44

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Solution

The fourth proportional to 13,256,081.64, 18,291,785.40 and 7,374,325.44 is: 10,175,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,081.64 : 18,291,785.40 = 7,374,325.44 : x
  2. Step 2: Convert to fraction form
    13,256,081.64/18,291,785.40 = 7,374,325.44/x
  3. Step 3: Cross multiply
    13,256,081.64x = 18,291,785.40 × 7,374,325.44
  4. Step 4: Simplify right side
    13,256,081.64x = 134,889,578,418,240.58
  5. Step 5: Solve for x
    x = 134,889,578,418,240.58/13,256,081.64
  6. Step 6: Final answer
    x = 10,175,674.99

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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.