Home / 18,438,428.70-27,657,643.05-14,851,201.95

Finding the Fourth Proportional to 18,438,428.70, 27,657,643.05 and 14,851,201.95

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Solution

The fourth proportional to 18,438,428.70, 27,657,643.05 and 14,851,201.95 is: 22,276,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,428.70 : 27,657,643.05 = 14,851,201.95 : x
  2. Step 2: Convert to fraction form
    18,438,428.70/27,657,643.05 = 14,851,201.95/x
  3. Step 3: Cross multiply
    18,438,428.70x = 27,657,643.05 × 14,851,201.95
  4. Step 4: Simplify right side
    18,438,428.70x = 410,749,242,396,563.94
  5. Step 5: Solve for x
    x = 410,749,242,396,563.94/18,438,428.70
  6. Step 6: Final answer
    x = 22,276,802.93

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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.