Home / 7,237,308.44-9,987,659.16-3,929,742.08

Finding the Fourth Proportional to 7,237,308.44, 9,987,659.16 and 3,929,742.08

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Solution

The fourth proportional to 7,237,308.44, 9,987,659.16 and 3,929,742.08 is: 5,423,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,308.44 : 9,987,659.16 = 3,929,742.08 : x
  2. Step 2: Convert to fraction form
    7,237,308.44/9,987,659.16 = 3,929,742.08/x
  3. Step 3: Cross multiply
    7,237,308.44x = 9,987,659.16 × 3,929,742.08
  4. Step 4: Simplify right side
    7,237,308.44x = 39,248,924,481,749.45
  5. Step 5: Solve for x
    x = 39,248,924,481,749.45/7,237,308.44
  6. Step 6: Final answer
    x = 5,423,138.29

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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.