Home / 12,259,127.53-16,917,595.94-7,105,478.44

Finding the Fourth Proportional to 12,259,127.53, 16,917,595.94 and 7,105,478.44

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Solution

The fourth proportional to 12,259,127.53, 16,917,595.94 and 7,105,478.44 is: 9,805,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,127.53 : 16,917,595.94 = 7,105,478.44 : x
  2. Step 2: Convert to fraction form
    12,259,127.53/16,917,595.94 = 7,105,478.44/x
  3. Step 3: Cross multiply
    12,259,127.53x = 16,917,595.94 × 7,105,478.44
  4. Step 4: Simplify right side
    12,259,127.53x = 120,207,613,208,301.55
  5. Step 5: Solve for x
    x = 120,207,613,208,301.55/12,259,127.53
  6. Step 6: Final answer
    x = 9,805,560.22

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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.