Home / 13,796,821.40-20,695,232.10-6,604,653.20

Finding the Fourth Proportional to 13,796,821.40, 20,695,232.10 and 6,604,653.20

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Solution

The fourth proportional to 13,796,821.40, 20,695,232.10 and 6,604,653.20 is: 9,906,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796,821.40 : 20,695,232.10 = 6,604,653.20 : x
  2. Step 2: Convert to fraction form
    13,796,821.40/20,695,232.10 = 6,604,653.20/x
  3. Step 3: Cross multiply
    13,796,821.40x = 20,695,232.10 × 6,604,653.20
  4. Step 4: Simplify right side
    13,796,821.40x = 136,684,830,914,007.73
  5. Step 5: Solve for x
    x = 136,684,830,914,007.73/13,796,821.40
  6. Step 6: Final answer
    x = 9,906,979.80

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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.