Home / 15,764,985.06-21,755,669.76-8,521,641.06

Finding the Fourth Proportional to 15,764,985.06, 21,755,669.76 and 8,521,641.06

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Solution

The fourth proportional to 15,764,985.06, 21,755,669.76 and 8,521,641.06 is: 11,759,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,985.06 : 21,755,669.76 = 8,521,641.06 : x
  2. Step 2: Convert to fraction form
    15,764,985.06/21,755,669.76 = 8,521,641.06/x
  3. Step 3: Cross multiply
    15,764,985.06x = 21,755,669.76 × 8,521,641.06
  4. Step 4: Simplify right side
    15,764,985.06x = 185,394,008,714,616.38
  5. Step 5: Solve for x
    x = 185,394,008,714,616.38/15,764,985.06
  6. Step 6: Final answer
    x = 11,759,859.46

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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.