Home / 8,687,303.30-11,989,917.60-4,821,066.38

Finding the Fourth Proportional to 8,687,303.30, 11,989,917.60 and 4,821,066.38

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Solution

The fourth proportional to 8,687,303.30, 11,989,917.60 and 4,821,066.38 is: 6,653,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,303.30 : 11,989,917.60 = 4,821,066.38 : x
  2. Step 2: Convert to fraction form
    8,687,303.30/11,989,917.60 = 4,821,066.38/x
  3. Step 3: Cross multiply
    8,687,303.30x = 11,989,917.60 × 4,821,066.38
  4. Step 4: Simplify right side
    8,687,303.30x = 57,804,188,640,330.28
  5. Step 5: Solve for x
    x = 57,804,188,640,330.28/8,687,303.30
  6. Step 6: Final answer
    x = 6,653,870.21

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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.