Home / 7,219,743.90-9,967,775.70-4,645,897.62

Finding the Fourth Proportional to 7,219,743.90, 9,967,775.70 and 4,645,897.62

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Solution

The fourth proportional to 7,219,743.90, 9,967,775.70 and 4,645,897.62 is: 6,414,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,743.90 : 9,967,775.70 = 4,645,897.62 : x
  2. Step 2: Convert to fraction form
    7,219,743.90/9,967,775.70 = 4,645,897.62/x
  3. Step 3: Cross multiply
    7,219,743.90x = 9,967,775.70 × 4,645,897.62
  4. Step 4: Simplify right side
    7,219,743.90x = 46,309,265,401,323.83
  5. Step 5: Solve for x
    x = 46,309,265,401,323.83/7,219,743.90
  6. Step 6: Final answer
    x = 6,414,253.20

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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.