Home / 20,018,828.16-30,007,624.30-7,883,372.93

Finding the Fourth Proportional to 20,018,828.16, 30,007,624.30 and 7,883,372.93

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Solution

The fourth proportional to 20,018,828.16, 30,007,624.30 and 7,883,372.93 is: 11,816,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018,828.16 : 30,007,624.30 = 7,883,372.93 : x
  2. Step 2: Convert to fraction form
    20,018,828.16/30,007,624.30 = 7,883,372.93/x
  3. Step 3: Cross multiply
    20,018,828.16x = 30,007,624.30 × 7,883,372.93
  4. Step 4: Simplify right side
    20,018,828.16x = 236,561,292,930,483.62
  5. Step 5: Solve for x
    x = 236,561,292,930,483.62/20,018,828.16
  6. Step 6: Final answer
    x = 11,816,940.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.