Home / 12,944,460.96-17,863,026.84-7,143,166.80

Finding the Fourth Proportional to 12,944,460.96, 17,863,026.84 and 7,143,166.80

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Solution

The fourth proportional to 12,944,460.96, 17,863,026.84 and 7,143,166.80 is: 9,857,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,460.96 : 17,863,026.84 = 7,143,166.80 : x
  2. Step 2: Convert to fraction form
    12,944,460.96/17,863,026.84 = 7,143,166.80/x
  3. Step 3: Cross multiply
    12,944,460.96x = 17,863,026.84 × 7,143,166.80
  4. Step 4: Simplify right side
    12,944,460.96x = 127,598,580,270,996.91
  5. Step 5: Solve for x
    x = 127,598,580,270,996.91/12,944,460.96
  6. Step 6: Final answer
    x = 9,857,388.47

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1.5x scale

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.