Home / 7,775,999.90-11,663,999.85-5,508,518.30

Finding the Fourth Proportional to 7,775,999.90, 11,663,999.85 and 5,508,518.30

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Solution

The fourth proportional to 7,775,999.90, 11,663,999.85 and 5,508,518.30 is: 8,262,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,999.90 : 11,663,999.85 = 5,508,518.30 : x
  2. Step 2: Convert to fraction form
    7,775,999.90/11,663,999.85 = 5,508,518.30/x
  3. Step 3: Cross multiply
    7,775,999.90x = 11,663,999.85 × 5,508,518.30
  4. Step 4: Simplify right side
    7,775,999.90x = 64,251,356,624,922.25
  5. Step 5: Solve for x
    x = 64,251,356,624,922.25/7,775,999.90
  6. Step 6: Final answer
    x = 8,262,777.45

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1.5x scale

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.