Home / 16,014,663.76-22,101,825-9,140,187.28

Finding the Fourth Proportional to 16,014,663.76, 22,101,825 and 9,140,187.28

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Solution

The fourth proportional to 16,014,663.76, 22,101,825 and 9,140,187.28 is: 12,614,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,014,663.76 : 22,101,825 = 9,140,187.28 : x
  2. Step 2: Convert to fraction form
    16,014,663.76/22,101,825 = 9,140,187.28/x
  3. Step 3: Cross multiply
    16,014,663.76x = 22,101,825 × 9,140,187.28
  4. Step 4: Simplify right side
    16,014,663.76x = 202,014,819,729,786
  5. Step 5: Solve for x
    x = 202,014,819,729,786/16,014,663.76
  6. Step 6: Final answer
    x = 12,614,365.36

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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.