Home / 13,388,331.59-18,476,287.32-7,586,920.43

Finding the Fourth Proportional to 13,388,331.59, 18,476,287.32 and 7,586,920.43

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Solution

The fourth proportional to 13,388,331.59, 18,476,287.32 and 7,586,920.43 is: 10,470,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,331.59 : 18,476,287.32 = 7,586,920.43 : x
  2. Step 2: Convert to fraction form
    13,388,331.59/18,476,287.32 = 7,586,920.43/x
  3. Step 3: Cross multiply
    13,388,331.59x = 18,476,287.32 × 7,586,920.43
  4. Step 4: Simplify right side
    13,388,331.59x = 140,178,121,784,848.67
  5. Step 5: Solve for x
    x = 140,178,121,784,848.67/13,388,331.59
  6. Step 6: Final answer
    x = 10,470,171.05

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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.