Home / 21,519,914.25-29,696,890.06-11,730,549.60

Finding the Fourth Proportional to 21,519,914.25, 29,696,890.06 and 11,730,549.60

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Solution

The fourth proportional to 21,519,914.25, 29,696,890.06 and 11,730,549.60 is: 16,187,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,914.25 : 29,696,890.06 = 11,730,549.60 : x
  2. Step 2: Convert to fraction form
    21,519,914.25/29,696,890.06 = 11,730,549.60/x
  3. Step 3: Cross multiply
    21,519,914.25x = 29,696,890.06 × 11,730,549.60
  4. Step 4: Simplify right side
    21,519,914.25x = 348,360,841,607,439.81
  5. Step 5: Solve for x
    x = 348,360,841,607,439.81/21,519,914.25
  6. Step 6: Final answer
    x = 16,187,835.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.