Home / 13,707,213.12-18,900,656.64-9,358,582.32

Finding the Fourth Proportional to 13,707,213.12, 18,900,656.64 and 9,358,582.32

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Solution

The fourth proportional to 13,707,213.12, 18,900,656.64 and 9,358,582.32 is: 12,904,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707,213.12 : 18,900,656.64 = 9,358,582.32 : x
  2. Step 2: Convert to fraction form
    13,707,213.12/18,900,656.64 = 9,358,582.32/x
  3. Step 3: Cross multiply
    13,707,213.12x = 18,900,656.64 × 9,358,582.32
  4. Step 4: Simplify right side
    13,707,213.12x = 176,883,351,067,494.62
  5. Step 5: Solve for x
    x = 176,883,351,067,494.62/13,707,213.12
  6. Step 6: Final answer
    x = 12,904,399.28

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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.