Home / 7,666,219.99-11,487,969.89-3,111,726.88

Finding the Fourth Proportional to 7,666,219.99, 11,487,969.89 and 3,111,726.88

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Solution

The fourth proportional to 7,666,219.99, 11,487,969.89 and 3,111,726.88 is: 4,662,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666,219.99 : 11,487,969.89 = 3,111,726.88 : x
  2. Step 2: Convert to fraction form
    7,666,219.99/11,487,969.89 = 3,111,726.88/x
  3. Step 3: Cross multiply
    7,666,219.99x = 11,487,969.89 × 3,111,726.88
  4. Step 4: Simplify right side
    7,666,219.99x = 35,747,424,713,813.95
  5. Step 5: Solve for x
    x = 35,747,424,713,813.95/7,666,219.99
  6. Step 6: Final answer
    x = 4,662,979.25

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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.