Home / 14,429,283.04-19,912,429.78-7,813,882.90

Finding the Fourth Proportional to 14,429,283.04, 19,912,429.78 and 7,813,882.90

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Solution

The fourth proportional to 14,429,283.04, 19,912,429.78 and 7,813,882.90 is: 10,783,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,283.04 : 19,912,429.78 = 7,813,882.90 : x
  2. Step 2: Convert to fraction form
    14,429,283.04/19,912,429.78 = 7,813,882.90/x
  3. Step 3: Cross multiply
    14,429,283.04x = 19,912,429.78 × 7,813,882.90
  4. Step 4: Simplify right side
    14,429,283.04x = 155,593,394,555,392.78
  5. Step 5: Solve for x
    x = 155,593,394,555,392.78/14,429,283.04
  6. Step 6: Final answer
    x = 10,783,168.79

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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.