Home / 21,426,975.14-29,569,438.95-11,637,610.82

Finding the Fourth Proportional to 21,426,975.14, 29,569,438.95 and 11,637,610.82

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Solution

The fourth proportional to 21,426,975.14, 29,569,438.95 and 11,637,610.82 is: 16,060,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,975.14 : 29,569,438.95 = 11,637,610.82 : x
  2. Step 2: Convert to fraction form
    21,426,975.14/29,569,438.95 = 11,637,610.82/x
  3. Step 3: Cross multiply
    21,426,975.14x = 29,569,438.95 × 11,637,610.82
  4. Step 4: Simplify right side
    21,426,975.14x = 344,117,622,665,849.44
  5. Step 5: Solve for x
    x = 344,117,622,665,849.44/21,426,975.14
  6. Step 6: Final answer
    x = 16,060,018.76

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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.