Home / 10,783,787.70-14,863,909.41-7,645,121.94

Finding the Fourth Proportional to 10,783,787.70, 14,863,909.41 and 7,645,121.94

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Solution

The fourth proportional to 10,783,787.70, 14,863,909.41 and 7,645,121.94 is: 10,537,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,787.70 : 14,863,909.41 = 7,645,121.94 : x
  2. Step 2: Convert to fraction form
    10,783,787.70/14,863,909.41 = 7,645,121.94/x
  3. Step 3: Cross multiply
    10,783,787.70x = 14,863,909.41 × 7,645,121.94
  4. Step 4: Simplify right side
    10,783,787.70x = 113,636,399,944,563.47
  5. Step 5: Solve for x
    x = 113,636,399,944,563.47/10,783,787.70
  6. Step 6: Final answer
    x = 10,537,707.45

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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.