Home / 12,370,827.84-17,071,737.12-7,213,193.28

Finding the Fourth Proportional to 12,370,827.84, 17,071,737.12 and 7,213,193.28

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Solution

The fourth proportional to 12,370,827.84, 17,071,737.12 and 7,213,193.28 is: 9,954,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370,827.84 : 17,071,737.12 = 7,213,193.28 : x
  2. Step 2: Convert to fraction form
    12,370,827.84/17,071,737.12 = 7,213,193.28/x
  3. Step 3: Cross multiply
    12,370,827.84x = 17,071,737.12 × 7,213,193.28
  4. Step 4: Simplify right side
    12,370,827.84x = 123,141,739,471,910.56
  5. Step 5: Solve for x
    x = 123,141,739,471,910.56/12,370,827.84
  6. Step 6: Final answer
    x = 9,954,203.64

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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.