Home / 21,356,099.88-29,474,007.48-12,064,061.76

Finding the Fourth Proportional to 21,356,099.88, 29,474,007.48 and 12,064,061.76

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Solution

The fourth proportional to 21,356,099.88, 29,474,007.48 and 12,064,061.76 is: 16,649,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356,099.88 : 29,474,007.48 = 12,064,061.76 : x
  2. Step 2: Convert to fraction form
    21,356,099.88/29,474,007.48 = 12,064,061.76/x
  3. Step 3: Cross multiply
    21,356,099.88x = 29,474,007.48 × 12,064,061.76
  4. Step 4: Simplify right side
    21,356,099.88x = 355,576,246,553,421.94
  5. Step 5: Solve for x
    x = 355,576,246,553,421.94/21,356,099.88
  6. Step 6: Final answer
    x = 16,649,868.12

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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.