Home / 7,371,885.84-11,057,081.28-1,979,835.84

Finding the Fourth Proportional to 7,371,885.84, 11,057,081.28 and 1,979,835.84

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Solution

The fourth proportional to 7,371,885.84, 11,057,081.28 and 1,979,835.84 is: 2,969,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371,885.84 : 11,057,081.28 = 1,979,835.84 : x
  2. Step 2: Convert to fraction form
    7,371,885.84/11,057,081.28 = 1,979,835.84/x
  3. Step 3: Cross multiply
    7,371,885.84x = 11,057,081.28 × 1,979,835.84
  4. Step 4: Simplify right side
    7,371,885.84x = 21,891,205,803,937.07
  5. Step 5: Solve for x
    x = 21,891,205,803,937.07/7,371,885.84
  6. Step 6: Final answer
    x = 2,969,553.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.