Home / 12,929,433.04-17,842,611.84-7,423,163.20

Finding the Fourth Proportional to 12,929,433.04, 17,842,611.84 and 7,423,163.20

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Solution

The fourth proportional to 12,929,433.04, 17,842,611.84 and 7,423,163.20 is: 10,243,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,433.04 : 17,842,611.84 = 7,423,163.20 : x
  2. Step 2: Convert to fraction form
    12,929,433.04/17,842,611.84 = 7,423,163.20/x
  3. Step 3: Cross multiply
    12,929,433.04x = 17,842,611.84 × 7,423,163.20
  4. Step 4: Simplify right side
    12,929,433.04x = 132,448,619,602,572.30
  5. Step 5: Solve for x
    x = 132,448,619,602,572.30/12,929,433.04
  6. Step 6: Final answer
    x = 10,243,961.91

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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.