Home / 12,686,916.62-17,507,962.25-6,885,698.44

Finding the Fourth Proportional to 12,686,916.62, 17,507,962.25 and 6,885,698.44

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Solution

The fourth proportional to 12,686,916.62, 17,507,962.25 and 6,885,698.44 is: 9,502,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,916.62 : 17,507,962.25 = 6,885,698.44 : x
  2. Step 2: Convert to fraction form
    12,686,916.62/17,507,962.25 = 6,885,698.44/x
  3. Step 3: Cross multiply
    12,686,916.62x = 17,507,962.25 × 6,885,698.44
  4. Step 4: Simplify right side
    12,686,916.62x = 120,554,548,352,403.89
  5. Step 5: Solve for x
    x = 120,554,548,352,403.89/12,686,916.62
  6. Step 6: Final answer
    x = 9,502,273.24

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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.