Home / 40,001,572.50-55,202,171.94-21,666,858

Finding the Fourth Proportional to 40,001,572.50, 55,202,171.94 and 21,666,858

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Solution

The fourth proportional to 40,001,572.50, 55,202,171.94 and 21,666,858 is: 29,900,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,572.50 : 55,202,171.94 = 21,666,858 : x
  2. Step 2: Convert to fraction form
    40,001,572.50/55,202,171.94 = 21,666,858/x
  3. Step 3: Cross multiply
    40,001,572.50x = 55,202,171.94 × 21,666,858
  4. Step 4: Simplify right side
    40,001,572.50x = 1,196,057,620,715,564.50
  5. Step 5: Solve for x
    x = 1,196,057,620,715,564.50/40,001,572.50
  6. Step 6: Final answer
    x = 29,900,265.06

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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.