Home / 13,555,220.67-20,333,484.91-4,457,116.81

Finding the Fourth Proportional to 13,555,220.67, 20,333,484.91 and 4,457,116.81

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Solution

The fourth proportional to 13,555,220.67, 20,333,484.91 and 4,457,116.81 is: 6,685,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,220.67 : 20,333,484.91 = 4,457,116.81 : x
  2. Step 2: Convert to fraction form
    13,555,220.67/20,333,484.91 = 4,457,116.81/x
  3. Step 3: Cross multiply
    13,555,220.67x = 20,333,484.91 × 4,457,116.81
  4. Step 4: Simplify right side
    13,555,220.67x = 90,628,717,429,230.59
  5. Step 5: Solve for x
    x = 90,628,717,429,230.59/13,555,220.67
  6. Step 6: Final answer
    x = 6,685,890.23

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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.