Home / 20,441,666.40-30,665,562-6,604,001.44

Finding the Fourth Proportional to 20,441,666.40, 30,665,562 and 6,604,001.44

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Solution

The fourth proportional to 20,441,666.40, 30,665,562 and 6,604,001.44 is: 9,906,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,666.40 : 30,665,562 = 6,604,001.44 : x
  2. Step 2: Convert to fraction form
    20,441,666.40/30,665,562 = 6,604,001.44/x
  3. Step 3: Cross multiply
    20,441,666.40x = 30,665,562 × 6,604,001.44
  4. Step 4: Simplify right side
    20,441,666.40x = 202,515,415,606,409.28
  5. Step 5: Solve for x
    x = 202,515,415,606,409.28/20,441,666.40
  6. Step 6: Final answer
    x = 9,906,991.52

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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.