Home / 12,890,949.92-17,789,630.04-7,010,640.02

Finding the Fourth Proportional to 12,890,949.92, 17,789,630.04 and 7,010,640.02

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Solution

The fourth proportional to 12,890,949.92, 17,789,630.04 and 7,010,640.02 is: 9,674,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,949.92 : 17,789,630.04 = 7,010,640.02 : x
  2. Step 2: Convert to fraction form
    12,890,949.92/17,789,630.04 = 7,010,640.02/x
  3. Step 3: Cross multiply
    12,890,949.92x = 17,789,630.04 × 7,010,640.02
  4. Step 4: Simplify right side
    12,890,949.92x = 124,716,692,299,418.19
  5. Step 5: Solve for x
    x = 124,716,692,299,418.19/12,890,949.92
  6. Step 6: Final answer
    x = 9,674,748.03

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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.