Home / 28,225,948.80-38,954,157.06-15,668,185.38

Finding the Fourth Proportional to 28,225,948.80, 38,954,157.06 and 15,668,185.38

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Solution

The fourth proportional to 28,225,948.80, 38,954,157.06 and 15,668,185.38 is: 21,623,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225,948.80 : 38,954,157.06 = 15,668,185.38 : x
  2. Step 2: Convert to fraction form
    28,225,948.80/38,954,157.06 = 15,668,185.38/x
  3. Step 3: Cross multiply
    28,225,948.80x = 38,954,157.06 × 15,668,185.38
  4. Step 4: Simplify right side
    28,225,948.80x = 610,340,954,137,715.88
  5. Step 5: Solve for x
    x = 610,340,954,137,715.88/28,225,948.80
  6. Step 6: Final answer
    x = 21,623,399.04

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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.