Home / 21,060,176.90-29,064,166.79-11,767,972.54

Finding the Fourth Proportional to 21,060,176.90, 29,064,166.79 and 11,767,972.54

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Solution

The fourth proportional to 21,060,176.90, 29,064,166.79 and 11,767,972.54 is: 16,240,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,176.90 : 29,064,166.79 = 11,767,972.54 : x
  2. Step 2: Convert to fraction form
    21,060,176.90/29,064,166.79 = 11,767,972.54/x
  3. Step 3: Cross multiply
    21,060,176.90x = 29,064,166.79 × 11,767,972.54
  4. Step 4: Simplify right side
    21,060,176.90x = 342,026,316,682,699.94
  5. Step 5: Solve for x
    x = 342,026,316,682,699.94/21,060,176.90
  6. Step 6: Final answer
    x = 16,240,429.43

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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.