Home / 10,785,905.60-16,176,525.60-4,720,625.60

Finding the Fourth Proportional to 10,785,905.60, 16,176,525.60 and 4,720,625.60

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Solution

The fourth proportional to 10,785,905.60, 16,176,525.60 and 4,720,625.60 is: 7,079,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785,905.60 : 16,176,525.60 = 4,720,625.60 : x
  2. Step 2: Convert to fraction form
    10,785,905.60/16,176,525.60 = 4,720,625.60/x
  3. Step 3: Cross multiply
    10,785,905.60x = 16,176,525.60 × 4,720,625.60
  4. Step 4: Simplify right side
    10,785,905.60x = 76,363,320,866,415.36
  5. Step 5: Solve for x
    x = 76,363,320,866,415.36/10,785,905.60
  6. Step 6: Final answer
    x = 7,079,917.41

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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.