Home / 12,676,619.90-17,494,131.47-7,169,887

Finding the Fourth Proportional to 12,676,619.90, 17,494,131.47 and 7,169,887

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Solution

The fourth proportional to 12,676,619.90, 17,494,131.47 and 7,169,887 is: 9,894,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,619.90 : 17,494,131.47 = 7,169,887 : x
  2. Step 2: Convert to fraction form
    12,676,619.90/17,494,131.47 = 7,169,887/x
  3. Step 3: Cross multiply
    12,676,619.90x = 17,494,131.47 × 7,169,887
  4. Step 4: Simplify right side
    12,676,619.90x = 125,430,945,803,043.88
  5. Step 5: Solve for x
    x = 125,430,945,803,043.88/12,676,619.90
  6. Step 6: Final answer
    x = 9,894,668.04

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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.