Home / 20,864,358.37-31,274,448.93-7,018,135.96

Finding the Fourth Proportional to 20,864,358.37, 31,274,448.93 and 7,018,135.96

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Solution

The fourth proportional to 20,864,358.37, 31,274,448.93 and 7,018,135.96 is: 10,519,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,358.37 : 31,274,448.93 = 7,018,135.96 : x
  2. Step 2: Convert to fraction form
    20,864,358.37/31,274,448.93 = 7,018,135.96/x
  3. Step 3: Cross multiply
    20,864,358.37x = 31,274,448.93 × 7,018,135.96
  4. Step 4: Simplify right side
    20,864,358.37x = 219,488,334,664,816.53
  5. Step 5: Solve for x
    x = 219,488,334,664,816.53/20,864,358.37
  6. Step 6: Final answer
    x = 10,519,774.00

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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.