Home / 12,201,787.34-16,839,959.90-7,045,140.24

Finding the Fourth Proportional to 12,201,787.34, 16,839,959.90 and 7,045,140.24

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Solution

The fourth proportional to 12,201,787.34, 16,839,959.90 and 7,045,140.24 is: 9,723,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,787.34 : 16,839,959.90 = 7,045,140.24 : x
  2. Step 2: Convert to fraction form
    12,201,787.34/16,839,959.90 = 7,045,140.24/x
  3. Step 3: Cross multiply
    12,201,787.34x = 16,839,959.90 × 7,045,140.24
  4. Step 4: Simplify right side
    12,201,787.34x = 118,639,879,131,476.38
  5. Step 5: Solve for x
    x = 118,639,879,131,476.38/12,201,787.34
  6. Step 6: Final answer
    x = 9,723,155.78

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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.