Home / 12,375,628.04-17,078,109.34-6,868,679.84

Finding the Fourth Proportional to 12,375,628.04, 17,078,109.34 and 6,868,679.84

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Solution

The fourth proportional to 12,375,628.04, 17,078,109.34 and 6,868,679.84 is: 9,478,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,628.04 : 17,078,109.34 = 6,868,679.84 : x
  2. Step 2: Convert to fraction form
    12,375,628.04/17,078,109.34 = 6,868,679.84/x
  3. Step 3: Cross multiply
    12,375,628.04x = 17,078,109.34 × 6,868,679.84
  4. Step 4: Simplify right side
    12,375,628.04x = 117,304,065,328,973.70
  5. Step 5: Solve for x
    x = 117,304,065,328,973.70/12,375,628.04
  6. Step 6: Final answer
    x = 9,478,635.34

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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.