Home / 12,814,986.60-19,222,479.90-5,239,434.60

Finding the Fourth Proportional to 12,814,986.60, 19,222,479.90 and 5,239,434.60

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Solution

The fourth proportional to 12,814,986.60, 19,222,479.90 and 5,239,434.60 is: 7,859,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814,986.60 : 19,222,479.90 = 5,239,434.60 : x
  2. Step 2: Convert to fraction form
    12,814,986.60/19,222,479.90 = 5,239,434.60/x
  3. Step 3: Cross multiply
    12,814,986.60x = 19,222,479.90 × 5,239,434.60
  4. Step 4: Simplify right side
    12,814,986.60x = 100,714,926,285,864.53
  5. Step 5: Solve for x
    x = 100,714,926,285,864.53/12,814,986.60
  6. Step 6: Final answer
    x = 7,859,151.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.