Home / 19,666,112.33-27,139,348.80-10,964,826.65

Finding the Fourth Proportional to 19,666,112.33, 27,139,348.80 and 10,964,826.65

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Solution

The fourth proportional to 19,666,112.33, 27,139,348.80 and 10,964,826.65 is: 15,131,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,112.33 : 27,139,348.80 = 10,964,826.65 : x
  2. Step 2: Convert to fraction form
    19,666,112.33/27,139,348.80 = 10,964,826.65/x
  3. Step 3: Cross multiply
    19,666,112.33x = 27,139,348.80 × 10,964,826.65
  4. Step 4: Simplify right side
    19,666,112.33x = 297,578,254,850,188.75
  5. Step 5: Solve for x
    x = 297,578,254,850,188.75/19,666,112.33
  6. Step 6: Final answer
    x = 15,131,524.21

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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.