Home / 14,747,639.42-20,352,954.11-8,133,521.60

Finding the Fourth Proportional to 14,747,639.42, 20,352,954.11 and 8,133,521.60

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Solution

The fourth proportional to 14,747,639.42, 20,352,954.11 and 8,133,521.60 is: 11,224,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747,639.42 : 20,352,954.11 = 8,133,521.60 : x
  2. Step 2: Convert to fraction form
    14,747,639.42/20,352,954.11 = 8,133,521.60/x
  3. Step 3: Cross multiply
    14,747,639.42x = 20,352,954.11 × 8,133,521.60
  4. Step 4: Simplify right side
    14,747,639.42x = 165,541,191,841,845.72
  5. Step 5: Solve for x
    x = 165,541,191,841,845.72/14,747,639.42
  6. Step 6: Final answer
    x = 11,224,928.08

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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.