Home / 7,290,755.20-10,923,010.80-5,784,349.60

Finding the Fourth Proportional to 7,290,755.20, 10,923,010.80 and 5,784,349.60

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Solution

The fourth proportional to 7,290,755.20, 10,923,010.80 and 5,784,349.60 is: 8,666,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,755.20 : 10,923,010.80 = 5,784,349.60 : x
  2. Step 2: Convert to fraction form
    7,290,755.20/10,923,010.80 = 5,784,349.60/x
  3. Step 3: Cross multiply
    7,290,755.20x = 10,923,010.80 × 5,784,349.60
  4. Step 4: Simplify right side
    7,290,755.20x = 63,182,513,151,775.68
  5. Step 5: Solve for x
    x = 63,182,513,151,775.68/7,290,755.20
  6. Step 6: Final answer
    x = 8,666,113.65

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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.