Home / 20,864,412.18-31,274,529.54-7,018,189.56

Finding the Fourth Proportional to 20,864,412.18, 31,274,529.54 and 7,018,189.56

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Solution

The fourth proportional to 20,864,412.18, 31,274,529.54 and 7,018,189.56 is: 10,519,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,412.18 : 31,274,529.54 = 7,018,189.56 : x
  2. Step 2: Convert to fraction form
    20,864,412.18/31,274,529.54 = 7,018,189.56/x
  3. Step 3: Cross multiply
    20,864,412.18x = 31,274,529.54 × 7,018,189.56
  4. Step 4: Simplify right side
    20,864,412.18x = 219,490,576,711,539.59
  5. Step 5: Solve for x
    x = 219,490,576,711,539.59/20,864,412.18
  6. Step 6: Final answer
    x = 10,519,854.33

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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.