Home / 28,225,955.54-38,954,166.37-15,668,192.14

Finding the Fourth Proportional to 28,225,955.54, 38,954,166.37 and 15,668,192.14

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Solution

The fourth proportional to 28,225,955.54, 38,954,166.37 and 15,668,192.14 is: 21,623,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225,955.54 : 38,954,166.37 = 15,668,192.14 : x
  2. Step 2: Convert to fraction form
    28,225,955.54/38,954,166.37 = 15,668,192.14/x
  3. Step 3: Cross multiply
    28,225,955.54x = 38,954,166.37 × 15,668,192.14
  4. Step 4: Simplify right side
    28,225,955.54x = 610,341,363,202,130.38
  5. Step 5: Solve for x
    x = 610,341,363,202,130.38/28,225,955.54
  6. Step 6: Final answer
    x = 21,623,408.37

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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.