Home / 12,999,192.48-17,938,665.88-7,197,849.36

Finding the Fourth Proportional to 12,999,192.48, 17,938,665.88 and 7,197,849.36

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Solution

The fourth proportional to 12,999,192.48, 17,938,665.88 and 7,197,849.36 is: 9,932,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,192.48 : 17,938,665.88 = 7,197,849.36 : x
  2. Step 2: Convert to fraction form
    12,999,192.48/17,938,665.88 = 7,197,849.36/x
  3. Step 3: Cross multiply
    12,999,192.48x = 17,938,665.88 × 7,197,849.36
  4. Step 4: Simplify right side
    12,999,192.48x = 129,119,814,705,617.23
  5. Step 5: Solve for x
    x = 129,119,814,705,617.23/12,999,192.48
  6. Step 6: Final answer
    x = 9,932,910.44

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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.