Home / 6,642,006.40-9,963,009.60-1,850,435.20

Finding the Fourth Proportional to 6,642,006.40, 9,963,009.60 and 1,850,435.20

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Solution

The fourth proportional to 6,642,006.40, 9,963,009.60 and 1,850,435.20 is: 2,775,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,006.40 : 9,963,009.60 = 1,850,435.20 : x
  2. Step 2: Convert to fraction form
    6,642,006.40/9,963,009.60 = 1,850,435.20/x
  3. Step 3: Cross multiply
    6,642,006.40x = 9,963,009.60 × 1,850,435.20
  4. Step 4: Simplify right side
    6,642,006.40x = 18,435,903,661,777.92
  5. Step 5: Solve for x
    x = 18,435,903,661,777.92/6,642,006.40
  6. Step 6: Final answer
    x = 2,775,652.80

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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.