Home / 20,401,957.44-28,154,698.56-11,234,577.60

Finding the Fourth Proportional to 20,401,957.44, 28,154,698.56 and 11,234,577.60

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Solution

The fourth proportional to 20,401,957.44, 28,154,698.56 and 11,234,577.60 is: 15,503,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,957.44 : 28,154,698.56 = 11,234,577.60 : x
  2. Step 2: Convert to fraction form
    20,401,957.44/28,154,698.56 = 11,234,577.60/x
  3. Step 3: Cross multiply
    20,401,957.44x = 28,154,698.56 × 11,234,577.60
  4. Step 4: Simplify right side
    20,401,957.44x = 316,306,145,776,928.25
  5. Step 5: Solve for x
    x = 316,306,145,776,928.25/20,401,957.44
  6. Step 6: Final answer
    x = 15,503,715.60

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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.