Home / 20,717,825.10-28,596,112.73-12,238,393.47

Finding the Fourth Proportional to 20,717,825.10, 28,596,112.73 and 12,238,393.47

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Solution

The fourth proportional to 20,717,825.10, 28,596,112.73 and 12,238,393.47 is: 16,892,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,825.10 : 28,596,112.73 = 12,238,393.47 : x
  2. Step 2: Convert to fraction form
    20,717,825.10/28,596,112.73 = 12,238,393.47/x
  3. Step 3: Cross multiply
    20,717,825.10x = 28,596,112.73 × 12,238,393.47
  4. Step 4: Simplify right side
    20,717,825.10x = 349,970,479,241,023.94
  5. Step 5: Solve for x
    x = 349,970,479,241,023.94/20,717,825.10
  6. Step 6: Final answer
    x = 16,892,240.26

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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.