Home / 12,786,300.44-17,645,354.71-6,985,457.90

Finding the Fourth Proportional to 12,786,300.44, 17,645,354.71 and 6,985,457.90

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Solution

The fourth proportional to 12,786,300.44, 17,645,354.71 and 6,985,457.90 is: 9,640,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,300.44 : 17,645,354.71 = 6,985,457.90 : x
  2. Step 2: Convert to fraction form
    12,786,300.44/17,645,354.71 = 6,985,457.90/x
  3. Step 3: Cross multiply
    12,786,300.44x = 17,645,354.71 × 6,985,457.90
  4. Step 4: Simplify right side
    12,786,300.44x = 123,260,882,351,581.28
  5. Step 5: Solve for x
    x = 123,260,882,351,581.28/12,786,300.44
  6. Step 6: Final answer
    x = 9,640,074.00

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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.