Home / 21,990,709.14-32,990,801.25-6,636,714.30

Finding the Fourth Proportional to 21,990,709.14, 32,990,801.25 and 6,636,714.30

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Solution

The fourth proportional to 21,990,709.14, 32,990,801.25 and 6,636,714.30 is: 9,956,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,709.14 : 32,990,801.25 = 6,636,714.30 : x
  2. Step 2: Convert to fraction form
    21,990,709.14/32,990,801.25 = 6,636,714.30/x
  3. Step 3: Cross multiply
    21,990,709.14x = 32,990,801.25 × 6,636,714.30
  4. Step 4: Simplify right side
    21,990,709.14x = 218,950,522,424,332.88
  5. Step 5: Solve for x
    x = 218,950,522,424,332.88/21,990,709.14
  6. Step 6: Final answer
    x = 9,956,501.22

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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.