Home / 15,084,536.36-20,817,345.65-8,889,844.51

Finding the Fourth Proportional to 15,084,536.36, 20,817,345.65 and 8,889,844.51

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Solution

The fourth proportional to 15,084,536.36, 20,817,345.65 and 8,889,844.51 is: 12,268,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,536.36 : 20,817,345.65 = 8,889,844.51 : x
  2. Step 2: Convert to fraction form
    15,084,536.36/20,817,345.65 = 8,889,844.51/x
  3. Step 3: Cross multiply
    15,084,536.36x = 20,817,345.65 × 8,889,844.51
  4. Step 4: Simplify right side
    15,084,536.36x = 185,062,965,939,424.88
  5. Step 5: Solve for x
    x = 185,062,965,939,424.88/15,084,536.36
  6. Step 6: Final answer
    x = 12,268,389.40

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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.