Home / 22,470,136.14-31,030,203.86-21,245,977.50

Finding the Fourth Proportional to 22,470,136.14, 31,030,203.86 and 21,245,977.50

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Solution

The fourth proportional to 22,470,136.14, 31,030,203.86 and 21,245,977.50 is: 29,339,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,136.14 : 31,030,203.86 = 21,245,977.50 : x
  2. Step 2: Convert to fraction form
    22,470,136.14/31,030,203.86 = 21,245,977.50/x
  3. Step 3: Cross multiply
    22,470,136.14x = 31,030,203.86 × 21,245,977.50
  4. Step 4: Simplify right side
    22,470,136.14x = 659,267,013,029,973.12
  5. Step 5: Solve for x
    x = 659,267,013,029,973.12/22,470,136.14
  6. Step 6: Final answer
    x = 29,339,698.21

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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.