Home / 19,903,089.50-27,474,738.16-13,380,502

Finding the Fourth Proportional to 19,903,089.50, 27,474,738.16 and 13,380,502

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Solution

The fourth proportional to 19,903,089.50, 27,474,738.16 and 13,380,502 is: 18,470,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,089.50 : 27,474,738.16 = 13,380,502 : x
  2. Step 2: Convert to fraction form
    19,903,089.50/27,474,738.16 = 13,380,502/x
  3. Step 3: Cross multiply
    19,903,089.50x = 27,474,738.16 × 13,380,502
  4. Step 4: Simplify right side
    19,903,089.50x = 367,625,788,899,356.31
  5. Step 5: Solve for x
    x = 367,625,788,899,356.31/19,903,089.50
  6. Step 6: Final answer
    x = 18,470,790.12

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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.