Home / 22,178,340.80-30,606,108.50-12,388,784.86

Finding the Fourth Proportional to 22,178,340.80, 30,606,108.50 and 12,388,784.86

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Solution

The fourth proportional to 22,178,340.80, 30,606,108.50 and 12,388,784.86 is: 17,096,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178,340.80 : 30,606,108.50 = 12,388,784.86 : x
  2. Step 2: Convert to fraction form
    22,178,340.80/30,606,108.50 = 12,388,784.86/x
  3. Step 3: Cross multiply
    22,178,340.80x = 30,606,108.50 × 12,388,784.86
  4. Step 4: Simplify right side
    22,178,340.80x = 379,172,493,562,774
  5. Step 5: Solve for x
    x = 379,172,493,562,774/22,178,340.80
  6. Step 6: Final answer
    x = 17,096,522.10

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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.