Home / 21,677,543.95-29,912,261.17-11,885,411.38

Finding the Fourth Proportional to 21,677,543.95, 29,912,261.17 and 11,885,411.38

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Solution

The fourth proportional to 21,677,543.95, 29,912,261.17 and 11,885,411.38 is: 16,400,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,543.95 : 29,912,261.17 = 11,885,411.38 : x
  2. Step 2: Convert to fraction form
    21,677,543.95/29,912,261.17 = 11,885,411.38/x
  3. Step 3: Cross multiply
    21,677,543.95x = 29,912,261.17 × 11,885,411.38
  4. Step 4: Simplify right side
    21,677,543.95x = 355,519,529,311,450.19
  5. Step 5: Solve for x
    x = 355,519,529,311,450.19/21,677,543.95
  6. Step 6: Final answer
    x = 16,400,360.21

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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.