Home / 19,666,632.80-27,130,306.82-13,141,864.10

Finding the Fourth Proportional to 19,666,632.80, 27,130,306.82 and 13,141,864.10

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Solution

The fourth proportional to 19,666,632.80, 27,130,306.82 and 13,141,864.10 is: 18,129,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,632.80 : 27,130,306.82 = 13,141,864.10 : x
  2. Step 2: Convert to fraction form
    19,666,632.80/27,130,306.82 = 13,141,864.10/x
  3. Step 3: Cross multiply
    19,666,632.80x = 27,130,306.82 × 13,141,864.10
  4. Step 4: Simplify right side
    19,666,632.80x = 356,542,805,018,382.31
  5. Step 5: Solve for x
    x = 356,542,805,018,382.31/19,666,632.80
  6. Step 6: Final answer
    x = 18,129,326.39

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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.