Home / 12,802,539.72-17,669,118.73-8,395,971.20

Finding the Fourth Proportional to 12,802,539.72, 17,669,118.73 and 8,395,971.20

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Solution

The fourth proportional to 12,802,539.72, 17,669,118.73 and 8,395,971.20 is: 11,587,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802,539.72 : 17,669,118.73 = 8,395,971.20 : x
  2. Step 2: Convert to fraction form
    12,802,539.72/17,669,118.73 = 8,395,971.20/x
  3. Step 3: Cross multiply
    12,802,539.72x = 17,669,118.73 × 8,395,971.20
  4. Step 4: Simplify right side
    12,802,539.72x = 148,349,411,898,115
  5. Step 5: Solve for x
    x = 148,349,411,898,115/12,802,539.72
  6. Step 6: Final answer
    x = 11,587,498.66

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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.