Home / 11,892,119.19-16,413,426.03-7,754,967.78

Finding the Fourth Proportional to 11,892,119.19, 16,413,426.03 and 7,754,967.78

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Solution

The fourth proportional to 11,892,119.19, 16,413,426.03 and 7,754,967.78 is: 10,703,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892,119.19 : 16,413,426.03 = 7,754,967.78 : x
  2. Step 2: Convert to fraction form
    11,892,119.19/16,413,426.03 = 7,754,967.78/x
  3. Step 3: Cross multiply
    11,892,119.19x = 16,413,426.03 × 7,754,967.78
  4. Step 4: Simplify right side
    11,892,119.19x = 127,285,590,022,063.31
  5. Step 5: Solve for x
    x = 127,285,590,022,063.31/11,892,119.19
  6. Step 6: Final answer
    x = 10,703,356.40

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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.