Home / 19,859,714.60-29,789,528.10-5,286,637.37

Finding the Fourth Proportional to 19,859,714.60, 29,789,528.10 and 5,286,637.37

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Solution

The fourth proportional to 19,859,714.60, 29,789,528.10 and 5,286,637.37 is: 7,929,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,714.60 : 29,789,528.10 = 5,286,637.37 : x
  2. Step 2: Convert to fraction form
    19,859,714.60/29,789,528.10 = 5,286,637.37/x
  3. Step 3: Cross multiply
    19,859,714.60x = 29,789,528.10 × 5,286,637.37
  4. Step 4: Simplify right side
    19,859,714.60x = 157,486,432,339,177.47
  5. Step 5: Solve for x
    x = 157,486,432,339,177.47/19,859,714.60
  6. Step 6: Final answer
    x = 7,929,944.39

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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.