Home / 18,846,290.16-28,266,067.08-5,013,323.70

Finding the Fourth Proportional to 18,846,290.16, 28,266,067.08 and 5,013,323.70

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Solution

The fourth proportional to 18,846,290.16, 28,266,067.08 and 5,013,323.70 is: 7,519,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846,290.16 : 28,266,067.08 = 5,013,323.70 : x
  2. Step 2: Convert to fraction form
    18,846,290.16/28,266,067.08 = 5,013,323.70/x
  3. Step 3: Cross multiply
    18,846,290.16x = 28,266,067.08 × 5,013,323.70
  4. Step 4: Simplify right side
    18,846,290.16x = 141,706,943,997,953.78
  5. Step 5: Solve for x
    x = 141,706,943,997,953.78/18,846,290.16
  6. Step 6: Final answer
    x = 7,519,089.58

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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.