Home / 12,870,817.84-17,764,822.08-7,367,383

Finding the Fourth Proportional to 12,870,817.84, 17,764,822.08 and 7,367,383

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Solution

The fourth proportional to 12,870,817.84, 17,764,822.08 and 7,367,383 is: 10,168,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870,817.84 : 17,764,822.08 = 7,367,383 : x
  2. Step 2: Convert to fraction form
    12,870,817.84/17,764,822.08 = 7,367,383/x
  3. Step 3: Cross multiply
    12,870,817.84x = 17,764,822.08 × 7,367,383
  4. Step 4: Simplify right side
    12,870,817.84x = 130,880,248,190,216.62
  5. Step 5: Solve for x
    x = 130,880,248,190,216.62/12,870,817.84
  6. Step 6: Final answer
    x = 10,168,759.27

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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.