Home / 5,259,929.40-7,889,894.10-5,189,070.60

Finding the Fourth Proportional to 5,259,929.40, 7,889,894.10 and 5,189,070.60

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Solution

The fourth proportional to 5,259,929.40, 7,889,894.10 and 5,189,070.60 is: 7,783,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,929.40 : 7,889,894.10 = 5,189,070.60 : x
  2. Step 2: Convert to fraction form
    5,259,929.40/7,889,894.10 = 5,189,070.60/x
  3. Step 3: Cross multiply
    5,259,929.40x = 7,889,894.10 × 5,189,070.60
  4. Step 4: Simplify right side
    5,259,929.40x = 40,941,217,511,423.45
  5. Step 5: Solve for x
    x = 40,941,217,511,423.45/5,259,929.40
  6. Step 6: Final answer
    x = 7,783,605.90

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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.