Home / 20,851,323.12-28,757,765.88-14,676,809.76

Finding the Fourth Proportional to 20,851,323.12, 28,757,765.88 and 14,676,809.76

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Solution

The fourth proportional to 20,851,323.12, 28,757,765.88 and 14,676,809.76 is: 20,241,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,323.12 : 28,757,765.88 = 14,676,809.76 : x
  2. Step 2: Convert to fraction form
    20,851,323.12/28,757,765.88 = 14,676,809.76/x
  3. Step 3: Cross multiply
    20,851,323.12x = 28,757,765.88 × 14,676,809.76
  4. Step 4: Simplify right side
    20,851,323.12x = 422,072,258,943,378.94
  5. Step 5: Solve for x
    x = 422,072,258,943,378.94/20,851,323.12
  6. Step 6: Final answer
    x = 20,241,989.27

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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.