Home / 14,429,274.56-19,912,418.09-7,813,874.43

Finding the Fourth Proportional to 14,429,274.56, 19,912,418.09 and 7,813,874.43

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Solution

The fourth proportional to 14,429,274.56, 19,912,418.09 and 7,813,874.43 is: 10,783,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,274.56 : 19,912,418.09 = 7,813,874.43 : x
  2. Step 2: Convert to fraction form
    14,429,274.56/19,912,418.09 = 7,813,874.43/x
  3. Step 3: Cross multiply
    14,429,274.56x = 19,912,418.09 × 7,813,874.43
  4. Step 4: Simplify right side
    14,429,274.56x = 155,593,134,572,455.12
  5. Step 5: Solve for x
    x = 155,593,134,572,455.12/14,429,274.56
  6. Step 6: Final answer
    x = 10,783,157.11

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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.