Home / 7,988,428.50-11,021,338.68-4,548,233.76

Finding the Fourth Proportional to 7,988,428.50, 11,021,338.68 and 4,548,233.76

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Solution

The fourth proportional to 7,988,428.50, 11,021,338.68 and 4,548,233.76 is: 6,275,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,428.50 : 11,021,338.68 = 4,548,233.76 : x
  2. Step 2: Convert to fraction form
    7,988,428.50/11,021,338.68 = 4,548,233.76/x
  3. Step 3: Cross multiply
    7,988,428.50x = 11,021,338.68 × 4,548,233.76
  4. Step 4: Simplify right side
    7,988,428.50x = 50,127,624,664,769.84
  5. Step 5: Solve for x
    x = 50,127,624,664,769.84/7,988,428.50
  6. Step 6: Final answer
    x = 6,275,029.52

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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.