Home / 13,488,463.72-18,614,066.73-7,293,495.64

Finding the Fourth Proportional to 13,488,463.72, 18,614,066.73 and 7,293,495.64

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Solution

The fourth proportional to 13,488,463.72, 18,614,066.73 and 7,293,495.64 is: 10,065,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,463.72 : 18,614,066.73 = 7,293,495.64 : x
  2. Step 2: Convert to fraction form
    13,488,463.72/18,614,066.73 = 7,293,495.64/x
  3. Step 3: Cross multiply
    13,488,463.72x = 18,614,066.73 × 7,293,495.64
  4. Step 4: Simplify right side
    13,488,463.72x = 135,761,614,537,924.05
  5. Step 5: Solve for x
    x = 135,761,614,537,924.05/13,488,463.72
  6. Step 6: Final answer
    x = 10,065,016.84

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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.