Home / 18,386,659.80-27,537,999.30-10,828,387.80

Finding the Fourth Proportional to 18,386,659.80, 27,537,999.30 and 10,828,387.80

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Solution

The fourth proportional to 18,386,659.80, 27,537,999.30 and 10,828,387.80 is: 16,217,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,659.80 : 27,537,999.30 = 10,828,387.80 : x
  2. Step 2: Convert to fraction form
    18,386,659.80/27,537,999.30 = 10,828,387.80/x
  3. Step 3: Cross multiply
    18,386,659.80x = 27,537,999.30 × 10,828,387.80
  4. Step 4: Simplify right side
    18,386,659.80x = 298,192,135,656,528.56
  5. Step 5: Solve for x
    x = 298,192,135,656,528.56/18,386,659.80
  6. Step 6: Final answer
    x = 16,217,852.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.