Home / 21,643,526-29,869,004.76-11,985,734

Finding the Fourth Proportional to 21,643,526, 29,869,004.76 and 11,985,734

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Solution

The fourth proportional to 21,643,526, 29,869,004.76 and 11,985,734 is: 16,540,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643,526 : 29,869,004.76 = 11,985,734 : x
  2. Step 2: Convert to fraction form
    21,643,526/29,869,004.76 = 11,985,734/x
  3. Step 3: Cross multiply
    21,643,526x = 29,869,004.76 × 11,985,734
  4. Step 4: Simplify right side
    21,643,526x = 358,001,945,898,093.88
  5. Step 5: Solve for x
    x = 358,001,945,898,093.88/21,643,526
  6. Step 6: Final answer
    x = 16,540,832.85

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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.