Home / 18,479,814.05-25,502,312.67-10,219,449.44

Finding the Fourth Proportional to 18,479,814.05, 25,502,312.67 and 10,219,449.44

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Solution

The fourth proportional to 18,479,814.05, 25,502,312.67 and 10,219,449.44 is: 14,102,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479,814.05 : 25,502,312.67 = 10,219,449.44 : x
  2. Step 2: Convert to fraction form
    18,479,814.05/25,502,312.67 = 10,219,449.44/x
  3. Step 3: Cross multiply
    18,479,814.05x = 25,502,312.67 × 10,219,449.44
  4. Step 4: Simplify right side
    18,479,814.05x = 260,619,594,959,569.28
  5. Step 5: Solve for x
    x = 260,619,594,959,569.28/18,479,814.05
  6. Step 6: Final answer
    x = 14,102,933.84

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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.