Home / 14,498,977.74-20,008,051.43-7,972,218.87

Finding the Fourth Proportional to 14,498,977.74, 20,008,051.43 and 7,972,218.87

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Solution

The fourth proportional to 14,498,977.74, 20,008,051.43 and 7,972,218.87 is: 11,001,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498,977.74 : 20,008,051.43 = 7,972,218.87 : x
  2. Step 2: Convert to fraction form
    14,498,977.74/20,008,051.43 = 7,972,218.87/x
  3. Step 3: Cross multiply
    14,498,977.74x = 20,008,051.43 × 7,972,218.87
  4. Step 4: Simplify right side
    14,498,977.74x = 159,508,565,122,315.41
  5. Step 5: Solve for x
    x = 159,508,565,122,315.41/14,498,977.74
  6. Step 6: Final answer
    x = 11,001,366.30

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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.