Home / 13,555,216-20,333,477.94-4,457,112.16

Finding the Fourth Proportional to 13,555,216, 20,333,477.94 and 4,457,112.16

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Solution

The fourth proportional to 13,555,216, 20,333,477.94 and 4,457,112.16 is: 6,685,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,216 : 20,333,477.94 = 4,457,112.16 : x
  2. Step 2: Convert to fraction form
    13,555,216/20,333,477.94 = 4,457,112.16/x
  3. Step 3: Cross multiply
    13,555,216x = 20,333,477.94 × 4,457,112.16
  4. Step 4: Simplify right side
    13,555,216x = 90,628,591,781,465.77
  5. Step 5: Solve for x
    x = 90,628,591,781,465.77/13,555,216
  6. Step 6: Final answer
    x = 6,685,883.26

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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.