Home / 7,230,119.90-9,977,564.63-4,132,709.47

Finding the Fourth Proportional to 7,230,119.90, 9,977,564.63 and 4,132,709.47

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Solution

The fourth proportional to 7,230,119.90, 9,977,564.63 and 4,132,709.47 is: 5,703,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,119.90 : 9,977,564.63 = 4,132,709.47 : x
  2. Step 2: Convert to fraction form
    7,230,119.90/9,977,564.63 = 4,132,709.47/x
  3. Step 3: Cross multiply
    7,230,119.90x = 9,977,564.63 × 4,132,709.47
  4. Step 4: Simplify right side
    7,230,119.90x = 41,234,375,763,386.67
  5. Step 5: Solve for x
    x = 41,234,375,763,386.67/7,230,119.90
  6. Step 6: Final answer
    x = 5,703,138.58

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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.