Home / 7,920,048.34-11,859,977.30-6,637,282.62

Finding the Fourth Proportional to 7,920,048.34, 11,859,977.30 and 6,637,282.62

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Solution

The fourth proportional to 7,920,048.34, 11,859,977.30 and 6,637,282.62 is: 9,939,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,048.34 : 11,859,977.30 = 6,637,282.62 : x
  2. Step 2: Convert to fraction form
    7,920,048.34/11,859,977.30 = 6,637,282.62/x
  3. Step 3: Cross multiply
    7,920,048.34x = 11,859,977.30 × 6,637,282.62
  4. Step 4: Simplify right side
    7,920,048.34x = 78,718,021,206,884.53
  5. Step 5: Solve for x
    x = 78,718,021,206,884.53/7,920,048.34
  6. Step 6: Final answer
    x = 9,939,083.43

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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.