Home / 20,816,116.29-31,242,110.57-14,430,852.68

Finding the Fourth Proportional to 20,816,116.29, 31,242,110.57 and 14,430,852.68

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Solution

The fourth proportional to 20,816,116.29, 31,242,110.57 and 14,430,852.68 is: 21,658,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816,116.29 : 31,242,110.57 = 14,430,852.68 : x
  2. Step 2: Convert to fraction form
    20,816,116.29/31,242,110.57 = 14,430,852.68/x
  3. Step 3: Cross multiply
    20,816,116.29x = 31,242,110.57 × 14,430,852.68
  4. Step 4: Simplify right side
    20,816,116.29x = 450,850,294,819,576.06
  5. Step 5: Solve for x
    x = 450,850,294,819,576.06/20,816,116.29
  6. Step 6: Final answer
    x = 21,658,713.30

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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.