Home / 19,432,989.63-29,129,976.41-6,644,748.51

Finding the Fourth Proportional to 19,432,989.63, 29,129,976.41 and 6,644,748.51

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Solution

The fourth proportional to 19,432,989.63, 29,129,976.41 and 6,644,748.51 is: 9,960,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,989.63 : 29,129,976.41 = 6,644,748.51 : x
  2. Step 2: Convert to fraction form
    19,432,989.63/29,129,976.41 = 6,644,748.51/x
  3. Step 3: Cross multiply
    19,432,989.63x = 29,129,976.41 × 6,644,748.51
  4. Step 4: Simplify right side
    19,432,989.63x = 193,561,367,313,458.91
  5. Step 5: Solve for x
    x = 193,561,367,313,458.91/19,432,989.63
  6. Step 6: Final answer
    x = 9,960,452.35

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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.