Home / 20,851,325.12-28,757,768.64-14,676,811.76

Finding the Fourth Proportional to 20,851,325.12, 28,757,768.64 and 14,676,811.76

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Solution

The fourth proportional to 20,851,325.12, 28,757,768.64 and 14,676,811.76 is: 20,241,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,325.12 : 28,757,768.64 = 14,676,811.76 : x
  2. Step 2: Convert to fraction form
    20,851,325.12/28,757,768.64 = 14,676,811.76/x
  3. Step 3: Cross multiply
    20,851,325.12x = 28,757,768.64 × 14,676,811.76
  4. Step 4: Simplify right side
    20,851,325.12x = 422,072,356,966,911.19
  5. Step 5: Solve for x
    x = 422,072,356,966,911.19/20,851,325.12
  6. Step 6: Final answer
    x = 20,241,992.03

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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.