Home / 13,555,215-20,333,476.44-4,457,111.16

Finding the Fourth Proportional to 13,555,215, 20,333,476.44 and 4,457,111.16

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Solution

The fourth proportional to 13,555,215, 20,333,476.44 and 4,457,111.16 is: 6,685,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,215 : 20,333,476.44 = 4,457,111.16 : x
  2. Step 2: Convert to fraction form
    13,555,215/20,333,476.44 = 4,457,111.16/x
  3. Step 3: Cross multiply
    13,555,215x = 20,333,476.44 × 4,457,111.16
  4. Step 4: Simplify right side
    13,555,215x = 90,628,564,762,321.08
  5. Step 5: Solve for x
    x = 90,628,564,762,321.08/13,555,215
  6. Step 6: Final answer
    x = 6,685,881.76

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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.